FSCQ-Series FSCQ0565RT/FSCQ0765RT/FSCQ0965RT/FSCQ1265RT/ FSCQ1465RT/FSCQ1565RT/FSCQ1565RP Green Mode Fairchild Power Switch (FPSTM) Features Description Optimized for Quasi-Resonant Converter (QRC) A Quasi-Resonant Converter (QRC) typically shows lower EMI and higher power conversion efficiency compared to conventional hard-switched converter with a fixed switching frequency. Therefore, a QRC is well suited for noise-sensitive applications, such as color TV and audio. Each product in the FSCQ-Series contains an integrated Pulse Width Modulation (PWM) controller and a SenseFET, and is specifically designed for quasiresonant off-line Switch Mode Power Supplies (SMPS) with minimal external components. The PWM controller includes an integrated fixed frequency oscillator, under voltage lockout, leading edge blanking (LEB), optimized gate driver, internal soft start, temperature-compensated precise current sources for a loop compensation, and self protection circuitry. Compared with a discrete MOSFET and PWM controller solution, the FSCQ-Series can reduce total cost, component count, size, and weight, while simultaneously increasing efficiency, productivity, and system reliability. These devices provide a basic platform that is well suited for cost-effective designs of quasi-resonant switching flyback converters. Advanced Burst-Mode Operation for under 1W Standby Power Consumption Pulse-by-Pulse Current Limit Over Load Protection (OLP) - Auto Restart Over Voltage Protection (OVP) - Auto Restart Abnormal Over Current Protection (AOCP) - Latch Internal Thermal Shutdown (TSD) - Latch Under Voltage Lock Out (UVLO) with Hysteresis Low Startup Current (typical: 25A) Internal High Voltage SenseFET Built-in Soft Start (20ms) Extended Quasi-Resonant Switching Applications CTV Audio Amplifier Related Application Notes AN4146: Design Guidelines for Quasi-Resonant Converters Using FSCQ-Series Fairchild Power Switch. AN4140: Transformer Design Consideration for Off-Line Flyback Converters Using Fairchild Power Switch. Ordering Information Product Number Package Marking Code BVdss Rds(ON) Max. FSCQ0565RTYDTU TO-220F-5L (Forming) CQ0565RT 650V 2.2 FSCQ0765RTYDTU TO-220F-5L (Forming) CQ0765RT 650V 1.6 FSCQ0965RTYDTU TO-220F-5L (Forming) CQ0965RT 650V 1.2 FSCQ1265RTYDTU TO-220F-5L (Forming) CQ1265RT 650V 0.9 FSCQ1465RTYDTU TO-220F-5L( Forming) CQ1465RT 650V 0.8 FSCQ1565RTYDTU TO-220F-5L (Forming) CQ1565RT 650V 0.7 FSCQ1565RPVDTU TO-3PF-7L (Forming) CQ1565RP 650V 0.7 YDTU: Forming Type VDTU: Forming Type (c)2006 Fairchild Semiconductor Corporation FSCQ-Series Rev. 1.1.2 1 www.fairchildsemi.com FSCQ-Series Green Mode Fairchild Power Switch (FPSTM) February 2006 FSCQ-Series Green Mode Fairchild Power Switch (FPSTM) Typical Circuit VO AC IN Drain FSCQ-Series PWM Sync GND VFB VCC Figure 1. Typical Flyback Application Table 1. Maximum Output Power Output Power Table3 230 VAC 15%2 Product Open Frame1 85-265 VAC Open Frame1 FSCQ0565RT 70W 60W FSCQ0765RT 100W 85W FSCQ0965RT 130W 110W FSCQ1265RT 170W 140W FSCQ1465RT 190W 160W FSCQ1565RT 210W 170W FSCQ1565RP 250W 210W Notes: 1. Maximum practical continuous power in an open frame design at 50C ambient. 2. 230 VAC or 100/115 VAC with doubler. 3. The junction temperature can limit the maximum output power. 2 FSCQ-Series Rev. 1.1.2 www.fairchildsemi.com Sync 5 Vcc 3 Drain 1 + Threshold Quasi-Resonant (QR) Switching Controller - + fs Soft Start 4.6V/2.6V: Normal QR 3.0V/1.8V: Extended QR Burst Mode Controller VBurst Normal Operation Vref I BFB VCC VCC good Auxiliary Vref OSC Burst Switching Vref Main Bias Normal Operation Vref I FB 9V/15V Internal Bias IB Idelay PWM VFB 4 S Q R Q 2.5R Gate Driver R LEB 600ns VSD Sync Vovp S VCC good (VCC = 9V) R Q Q AOCP Q S Q R 2 GND TSD Vocp Power Off Reset (VCC = 6V) Figure 2. Functional Block Diagram of FSCQ-Series 3 FSCQ-Series Rev. 1.1.2 www.fairchildsemi.com FSCQ-Series Green Mode Fairchild Power Switch (FPSTM) Internal Block Diagram FSCQ-Series Green Mode Fairchild Power Switch (FPSTM) Pin Configuration TO-220F-5L 5. Sync 4. Vfb 3. Vcc 2. GND 1. Drain TO-3PF-7L 5. Sync 4. Vfb 3. Vcc 2. GND 1. Drain Figure 3. Pin Configuration (Top View) Pin Definitions Pin Number Pin Name Pin Function Description 1 Drain High voltage power SenseFET drain connection. 2 GND This pin is the control ground and the SenseFET source. 3 Vcc This pin is the positive supply input. This pin provides internal operating current for both start-up and steady-state operation. 4 Vfb This pin is internally connected to the inverting input of the PWM comparator. The collector of an optocoupler is typically tied to this pin. For stable operation, a capacitor should be placed between this pin and GND. If the voltage of this pin reaches 7.5V, the over load protection triggers, which results in the FPS shutting down. 5 Sync This pin is internally connected to the sync detect comparator for quasi-resonant switching. In normal quasi-resonant operation, the threshold of the sync comparator is 4.6V/2.6V. Whereas, the sync threshold is changed to 3.0V/1.8V in an extended quasi-resonant operation. 4 FSCQ-Series Rev. 1.1.2 www.fairchildsemi.com (TA = 25C, unless otherwise specified) Parameter Symbol Value Unit Drain Pin Voltage VDS 650 V Supply Voltage VCC 20 V Vsync -0.3 to 13V V VFB -0.3 to VCC V FSCQ0565RT 11.2 A FSCQ0765RT 15.2 FSCQ0965RT 16.4 FSCQ1265RT 21.2 FSCQ1465RT 22 FSCQ1565RT 26.4 FSCQ1565RP 33.2 FSCQ0565RT 2.8 FSCQ0765RT 3.8 FSCQ0965RT 4.1 FSCQ1265RT 5.3 FSCQ1465RT 5.5 FSCQ1565RT 6.6 FSCQ1565RP 8.3 FSCQ0565RT 5 FSCQ0765RT 7 FSCQ0965RT 7.6 FSCQ1265RT 11 Analog Input Voltage Range Drain Current Pulsed4 Continuous Drain Current (Tc = 25C) (Tc: Case Back Surface Temperature) Continuous Drain Current* (TDL = 25C) (TDL:Drain Lead Temperature) Continuous Drain Current (TC = 100C) Single-Pulsed Avalanche Energy5 IDM ID ID* ID EAS 5 FSCQ-Series Rev. 1.1.2 FSCQ1465RT 12 FSCQ1565RT 13.3 FSCQ1565RP 15 FSCQ0565RT 1.7 FSCQ0765RT 2.4 FSCQ0965RT 2.6 FSCQ1265RT 3.4 FSCQ1465RT 3.5 FSCQ1565RT 4.4 FSCQ1565RP 5.5 FSCQ0565RT 400 FSCQ0765RT 570 FSCQ0965RT 630 FSCQ1265RT 950 FSCQ1465RT 1000 FSCQ1565RT 1050 FSCQ1565RP 1050 A(rms) A(rms) A(rms) mJ www.fairchildsemi.com FSCQ-Series Green Mode Fairchild Power Switch (FPSTM) Absolute Maximum Ratings (TA = 25C, unless otherwise specified) Total Power Dissipation (Tc = 25C with Infinite Heat Sink) PD FSCQ0565RT 38 FSCQ0765RT 45 FSCQ0965RT 49 FSCQ1265RT 50 FSCQ1465RT 60 FSCQ1565RT 75 FSCQ1565RP W 98 Operating Junction Temperature TJ +150 C Operating Ambient Temperature TA -25 to +85 C TSTG -55 to +150 C ESD Capability, HBM Model (All pins except Vfb) - 2.0 (GND - Vfb = 1.7kV) kV ESD Capability, Machine Model (All pins except Vfb) - 300 (GND - Vfb = 170V) V Storage Temperature Range Notes: 4. Repetitive rating: pulse width limited by maximum junction temperature. 5. L = 15mH, starting Tj = 25C, These parameters, although guaranteed at the design, are not tested in mass production. Thermal Impedance (TA = 25C unless otherwise specified) Parameter Junction to Case Thermal Impedance Symbol JC Value Unit FSCQ0565RT 3.29 C/W FSCQ0765RT 2.60 FSCQ0965RT 2.55 FSCQ1265RT 2.50 FSCQ1465RT 2.10 FSCQ1565RT 2.00 FSCQ1565RP 1.28 6 FSCQ-Series Rev. 1.1.2 www.fairchildsemi.com FSCQ-Series Green Mode Fairchild Power Switch (FPSTM) Absolute Maximum Ratings (Continued) (TA = 25C unless otherwise specified) Parameter Symbol Condition Min. Typ. Max. Unit Drain-Source Breakdown Voltage BVDSS VGS = 0V, ID = 250A 650 - - V Zero Gate Voltage Drain Current IDSS VDS = 650V,VGS = 0V - - 250 A Drain-Source ON-State Resistance RDS(ON) FSCQ0565RT VGS = 10V, ID = 1A - 1.76 2.2 FSCQ0765RT VGS = 10V, ID = 1A - 1.4 1.6 FSCQ0965RT VGS = 10V, ID = 1A - 1.0 1.2 FSCQ1265RT VGS = 10V, ID = 1A - 0.75 0.9 FSCQ1465RT VGS = 10V, ID = 1A - 0.7 0.8 FSCQ1565RT VGS = 10V, ID = 1A - 0.53 0.7 FSCQ1565RP VGS = 10V, ID = 1A - 0.53 0.7 FSCQ0565RT VGS = 0V, VDS = 25V, f = 1MHz - 1080 - - 1415 - FSCQ0965RT - 1750 - FSCQ1265RT - 2400 - FSCQ1465RT - 2400 - FSCQ1565RT - 3050 - FSCQ1565RP - 3050 - - 90 - - 100 - FSCQ0965RT - 130 - FSCQ1265RT - 175 - FSCQ1465RT - 185 - FSCQ1565RT - 220 - FSCQ1565RP - 220 - Input Capacitance CISS FSCQ0765RT Output Capacitance COSS FSCQ0565RT FSCQ0765RT 7 FSCQ-Series Rev. 1.1.2 VGS = 0V, VDS = 25V, f = 1MHz pF pF www.fairchildsemi.com FSCQ-Series Green Mode Fairchild Power Switch (FPSTM) Electrical Characteristics (SenseFET Part) Parameter Symbol Condition Min. Typ. Max. Unit Control Section Switching Frequency Switching Frequency Variation7 Feedback Source Current FOSC FOSC IFB VFB = 5V, VCC = 18V 18 20 22 kHz -25C TA 85C 0 5 10 % VFB = 0.8V, VCC = 18V 0.5 0.65 0.8 mA Maximum Duty Cycle DMAX VFB = 5V, VCC = 18V 92 95 98 % Minimum Duty Cycle DMIN VFB = 0V, VCC = 18V - 0 - % VFB = 1V 14 15 16 V VSTOP 8 9 10 TSS 18 20 22 ms Burst Mode Enable Feedback Voltage VBEN 0.25 0.40 0.55 V Burst Mode Feedback Source Current IBFB VFB = 0V 60 100 140 A Burst Mode Switching Time TBS VFB = 0.9V, Duty = 50% 1.2 1.4 1.6 ms Burst Mode Hold Time TBH VFB = 0.9V 0V 1.2 1.4 1.6 ms VSD VCC = 18V 7.0 7.5 8.0 V UVLO Threshold Voltage Soft Start Time6 VSTART Burst Mode Section Protection Section Shutdown Feedback Voltage Shutdown Delay Current IDELAY VFB = 5V, VCC = 18V 4 5 6 A Over Voltage Protection VOVP VFB = 3V 11 12 13 V VOCL VCC = 18V 0.9 1.0 1.1 V 140 - - C Over Current Thermal Latch Voltage6 Shutdown Temp7 TSD Notes: 6. These parameters, although guaranteed, are tested only in EDS (wafer test) process. 7. These parameters, although guaranteed at the design, are not tested in mass production. 8 FSCQ-Series Rev. 1.1.2 www.fairchildsemi.com FSCQ-Series Green Mode Fairchild Power Switch (FPSTM) Electrical Characteristics (Continued) (TA = 25C unless otherwise specified) (TA = 25C unless otherwise specified) Parameter Symbol Condition Min. Typ. Max. Unit Sync Section Sync Threshold in Normal QR (H) VSH1 Sync Threshold in Normal QR (L) VCC = 18V, VFB = 5V 4.2 4.6 5.0 V VSL1 2.3 2.6 2.9 V Sync Threshold in Extended QR (H) VSH2 2.7 3.0 3.3 V Sync Threshold in Extended QR (L) VSL2 1.6 1.8 2.0 V Extended QR Enable Frequency FSYH - 90 - kHz Extended QR Disable Frequency FSYL - 45 - kHz FSCQ0565RT VFB = 5V - 4 6 mA FSCQ0765RT - 4 6 FSCQ0965RT - 6 8 FSCQ1265RT - 6 8 FSCQ1465RT - 7 9 Total Device Section Operating Supply Current9 - In Normal Operation IOP FSCQ1565RT - 7 9 FSCQ1565RP - 7 9 - In Burst Mode (Non-switching) IOB VFB = GND - 0.25 0.50 mA Startup Current ISTART VCC = VSTART - 0.1V - 25 50 A ISN VCC = VSTOP - 0.1V - 50 100 A FSCQ0565RT VCC = 18V, VFB = 5V 3.08 3.5 3.92 A FSCQ0765RT 4.4 5 5.6 FSCQ0965RT 5.28 6.0 6.72 FSCQ1265RT 6.16 7 7.84 FSCQ1465RT 7.04 8.0 8.96 FSCQ1565RT 7.04 8 8.96 FSCQ1565RP 10.12 11.5 12.88 Sustain Latch Current11 Current Sense Section Maximum Current Limit10 Burst Peak Current ILIM IBUR(pk) FSCQ0565RT VCC = 18V, VFB = Pulse 0.45 0.65 0.85 FSCQ0765RT 0.65 0.9 1.15 FSCQ0965RT 0.6 0.9 1.2 FSCQ1265RT 0.8 1.2 1.6 FSCQ1465RT 0.6 0.9 1.2 FSCQ1565RT - 1 - FSCQ1565RP - 1 - A Notes: 9. This parameter is the current flowing in the control IC. 10. These parameters indicate inductor current. 11. These parameters, although guaranteed, are tested only in EDS (wafer test) process. 9 FSCQ-Series Rev. 1.1.2 www.fairchildsemi.com FSCQ-Series Green Mode Fairchild Power Switch (FPSTM) Electrical Characteristics (Continued) Operating Supply Current Burst-mode Supply Current (Non-Switching) 1.4 Normalized to 25C Normalized to 25C 1.2 1.0 0.8 -50 0 50 Temp (C) 100 1.2 1.0 0.8 0.6 -50 150 Start-Up Current Normalized to 25C Normalized to 25C 1.0 0.8 0 50 Temp (C) 100 150 1.05 1.00 0.95 0.90 -50 150 0 Stop Threshold Voltage 50 Temp (C) 100 150 100 150 Initial Frequency 1.10 1.10 Normalized to 25C Normalized to 25C 100 Start Threshold Voltage 1.2 1.05 1.00 0.95 0.90 -50 50 Temp (C) 1.10 1.4 0.6 -50 0 0 50 Temp (C) 100 1.00 0.95 0.90 -50 150 10 FSCQ-Series Rev. 1.1.2 1.05 0 50 Temp (C) www.fairchildsemi.com FSCQ-Series Green Mode Fairchild Power Switch (FPSTM) Electrical Characteristics Maximum Duty Cycle Over Voltage Protection 1.10 Normalized to 25C Normalized to 25C 1.10 1.05 1.00 0.95 0.90 -50 0 50 Temp (C) 100 1.05 1.00 0.95 0.90 -50 150 Shutdown Delay Current Normalized to 25C Normalized to 25C 1.0 0.9 0 50 Temp (C) 100 150 1.05 1.00 0.95 0.90 -50 150 Feedback Source Current 0 50 Temp (C) 100 150 Burst Mode Feedback Source Current 1.2 Normalized to 25C 1.2 Normalized to 25C 100 1.10 1.1 1.1 1.0 0.9 0.8 -50 50 Temp (C) Shutdown Feedback Voltage 1.2 0.8 -50 0 0 50 Temp (C) 100 1.0 0.9 0.8 -50 150 11 FSCQ-Series Rev. 1.1.2 1.1 0 50 Temp (C) 100 150 www.fairchildsemi.com FSCQ-Series Green Mode Fairchild Power Switch (FPSTM) Electrical Characteristics (Continued) Feedback Offset Voltage Burst Mode Enable Feedback Voltage 1.4 Normalized to 25C Normalized to 25C 1.4 1.2 1.0 0.8 0.6 -50 0 50 Temp (C) 100 1.2 1.0 0.8 0.6 -50 150 Sync. Threshold in Normal QR(H) 100 150 1.10 Normalized to 25C Normalized to 25C 50 Temp (C) Sync. Threshold in Normal QR(L) 1.10 1.05 1.00 0.95 0.90 -50 0 50 Temp (C) 100 1.05 1.00 0.95 0.90 -50 150 Sync. Threshold in Extended QR(H) Normalized to 25C 1.00 0.95 0 50 Temp (C) 100 100 150 1.05 1.00 0.95 0.90 -50 150 12 FSCQ-Series Rev. 1.1.2 50 Temp (C) 1.10 1.05 0.90 -50 0 Sync. Threshold in Extended QR(L) 1.10 Normalized to 25C 0 0 50 Temp (C) 100 150 www.fairchildsemi.com FSCQ-Series Green Mode Fairchild Power Switch (FPSTM) Electrical Characteristics (Continued) Extended QR Enable Frequency Extended QR Disable Frequency 1.10 Normalized to 25C Normalized to 25C 1.10 1.05 1.00 0.95 0.90 -50 0 50 Temp (C) 100 1.05 1.00 0.95 0.90 -50 150 0 50 Temp (C) 100 150 Pulse-by-pulse Current Limit Normalized to 25C 1.10 1.05 1.00 0.95 0.90 -50 0 50 Temp (C) 13 FSCQ-Series Rev. 1.1.2 100 150 www.fairchildsemi.com FSCQ-Series Green Mode Fairchild Power Switch (FPSTM) Electrical Characteristics (Continued) The minimum average of the current supplied from the AC is given by: 1. Startup: Figure 4 shows the typical startup circuit and the transformer auxiliary winding for the FSCQ-Series. Before the FSCQ-Series begins switching, it consumes only startup current (typically 25A). The current supplied from the AC line charges the external capacitor (Ca1) that is connected to the Vcc pin. When Vcc reaches the start voltage of 15V (VSTART), the FSCQSeries begins switching, and its current consumption increases to IOP. Then, the FSCQ-Series continues its normal switching operation and the power required for the FSCQ-Series is supplied from the transformer auxiliary winding, unless VCC drops below the stop voltage of 9V (VSTOP). To guarantee the stable operation of the control IC, VCC has under voltage lockout (UVLO) with 6V hysteresis. Figure 5 shows the relationship between the operating supply current of the FSCQ-Series and the supply voltage (VCC). min avg I sup where Vacmin is the minimum input voltage, Vstart is the FSCQ-Series start voltage (15V), and Rstr is the startup resistor. The startup resistor should be chosen so that Isupavg is larger than the maximum startup current (50A). Once the resistor value is determined, the maximum loss in the startup resistor is obtained as: ( Vacmax ) 2 + Vstart2 2 2 * Vstart * Vacmax 1 - - ----------------------------------------------------Loss = ---------- * --------------------------------------------- R str 2 where Vacmax is the maximum input voltage. The startup resistor should have properly-rated dissipation wattage. 2. Synchronization: The FSCQ-Series employs a quasiresonant switching technique to minimize the switching noise and loss. In this technique, a capacitor (Cr) is added between the MOSFET drain and the source as shown in Figure 6. The basic waveforms of the quasiresonant converter are shown in Figure 7. The external capacitor lowers the rising slope of the drain voltage to reduce the EMI caused when the MOSFET turns off. To minimize the MOSFET's switching loss, the MOSFET should be turned on when the drain voltage reaches its minimum value as shown in Figure 7. CDC 1N4007 AC line (Vacmin - Vacmax) Isup Rstr Da VCC V start 2 V ac 1 - - ------------- * ---------= ---------------------------R 2 str FSCQ-Series Ca1 Ca2 Np + CDC VDC Ns - Lm Drain Figure 4. Startup circuit Cr + Ids Vds Sync ICC Vo - IOP Value GND FSCQ0565RT : 4mA (Typ.) FSCQ0765RT : 4mA (Typ.) FSCQ0965RT : 6mA (Typ.) FSCQ1265RT : 6mA (Typ.) FSCQ1465RT : 7mA (Typ.) FSCQ1565RT : 7mA (Typ.) FSCQ1565RP : 7mA (Typ.) VCC Ca1 VCO RCC Ca2 Da Na DSY IOP RSY1 Power Down Power Up CSY ISTART RSY2 VCC Vstop = 9V Vstart = 15V Vz Figure 6. Synchronization Circuit Figure 5. Relationship Between Operating Supply Current and Vcc Voltage 14 FSCQ-Series Rev. 1.1.2 www.fairchildsemi.com FSCQ-Series Green Mode Fairchild Power Switch (FPSTM) Functional Description MOSFET On Vds Vgs 2VRO VRO Vds TQ VRO Vsync Vsypk VDC Vrh (4.6V) Vrf (2.6V) Ids TR Ipk MOSFET Gate Figure 7. Quasi-Resonant Operation Waveforms ON The minimum drain voltage is indirectly detected by monitoring the Vcc winding voltage as shown in Figure 6 and 8. Choose voltage dividers, RSY1 and RSY2, so that the peak voltage of the sync signal (Vsypk) is lower than the OVP voltage (12V) to avoid triggering OVP in normal operation. It is typical to set Vsypk to be lower than OVP voltage by 3-4V. To detect the optimum time to turn on MOSFET, the sync capacitor (CSY) should be determined so that TR is the same with TQ as shown in Figure 8. The TR and TQ are given as, respectively: ON Figure 8. Normal Quasi-Resonant Operation Waveforms Switching frequency Extended QR operation 90kHz R SY2 V co T R = R SY2 * C SY * In --------- * ---------------------------------- 2.6 R SY1 + R SY2 T Q = L m * C eo Normal QR operation 45kHz N a * ( V o + V FO ) V co = ----------------------------------------- - V Fa Ns Output power where Lm is the primary side inductance of the transformer, and Ns and Na are the number of turns for the output winding and VCC winding, respectively, VFo and VFa are the diode forward voltage drops of the output winding and Vcc winding, respectively, and Ceo is the sum of the output capacitance of the MOSFET and the external capacitor, Cr. Figure 9. Extended Quasi-Resonant Operation In general, the QRC has a limitation in a wide load range application, since the switching frequency increases as the output load decreases, resulting in a severe switching loss in the light load condition. To overcome this limitation, the FSCQ-Series employs an extended quasiresonant switching operation. Figure 9 shows the mode change between normal and extended quasi-resonant operations. In the normal quasi-resonant operation, the FSCQ-Series enters into the extended quasi-resonant operation when the switching frequency exceeds 90kHz as the load reduces. To reduce the switching frequency, the MOSFET is turned on when the drain voltage 15 FSCQ-Series Rev. 1.1.2 www.fairchildsemi.com FSCQ-Series Green Mode Fairchild Power Switch (FPSTM) MOSFET Off 3.2 Leading Edge Blanking (LEB): At the instant the internal Sense FET is turned on, there is usually a high current spike through the Sense FET, caused by the external resonant capacitor across the MOSFET and secondary-side rectifier reverse recovery. Excessive voltage across the Rsense resistor can lead to incorrect feedback operation in the current mode PWM control. To counter this effect, the FSCQ-Series employs a leading edge blanking (LEB) circuit. This circuit inhibits the PWM comparator for a short time (TLEB) after the Sense FET is turned on. Vds 2VRO Vcc Vref Idelay Vo Vsync Vfb H11A817A 4.6V IFB 4 CB D1 D2 2.5R + Vfb* R - KA431 3V SenseFET OSC Gate Driver 2.6V 1.8V VSD Rsense OLP MOSFET Gate ON Figure 11. Pulse Width Modulation (PWM) Circuit ON 4. Protection Circuits: The FSCQ-Series has several self-protective functions such as over load protection (OLP), abnormal over current protection (AOCP), over voltage protection (OVP), and thermal shutdown (TSD). OLP and OVP are auto-restart mode protections, while TSD and AOCP are latch mode protections. Because these protection circuits are fully integrated into the IC without external components, the reliability can be improved without increasing cost. Figure 10. Extended Quasi-Resonant Operation Waveforms 3. Feedback Control: The FSCQ-Series employs current mode control, as shown in Figure 11. An optocoupler (such as Fairchild's H11A817A) and shunt regulator (such as Fairchild's KA431) are typically used to implement the feedback network. Comparing the feedback voltage with the voltage across the Rsense resistor plus an offset voltage makes it possible to control the switching duty cycle. When the reference pin voltage of the KA431 exceeds the internal reference voltage of 2.5V, the H11A817A LED current increases, pulling down the feedback voltage and reducing the duty cycle. This event typically happens when the input voltage is increased or the output load is decreased. - Auto-restart mode protection: Once the fault condition is detected, switching is terminated and the SenseFET remains off. This causes VCC to fall. When Vcc falls to the under voltage lockout (UVLO) stop voltage of 9V, the protection is reset and the FSCQ-Series consumes only startup current (25A). Then, the Vcc capacitor is charged up, since the current supplied through the startup resistor is larger than the current that the FPS consumes. When VCC reaches the start voltage of 15V, the FSCQ-Series resumes its normal operation. If the fault condition is not removed, the SenseFET remains off and VCC drops to stop voltage again. In this manner, the auto-restart can alternately enable and disable the switching of the power SenseFET until the fault condition is eliminated (see Figure 12). 3.1 Pulse-by-Pulse Current Limit: Because current mode control is employed, the peak current through the SenseFET is limited by the inverting input of the PWM comparator (Vfb*) as shown in Figure 11. The feedback current (IFB) and internal resistors are designed so that the maximum cathode voltage of diode D2 is about 2.8V, which occurs when all IFB flows through the internal resistors. Since D1 is blocked when the feedback voltage (Vfb) exceeds 2.8V, the maximum voltage of the cathode 16 FSCQ-Series Rev. 1.1.2 www.fairchildsemi.com FSCQ-Series Green Mode Fairchild Power Switch (FPSTM) of D2 is clamped at this voltage, thus clamping Vfb*. Therefore, the peak value of the current through the SenseFET is limited. reaches the second minimum level, as shown in Figure 10. Once the FSCQ-Series enters into the extended quasi-resonant operation, the first sync signal is ignored. After the first sync signal is applied, the sync threshold levels are changed from 4.6V and 2.6V to 3V and 1.8V, respectively, and the MOSFET turn-on time is synchronized to the second sync signal. The FSCQ-Series returns to its normal quasi-resonant operation when the switching frequency reaches 45kHz as the load increases. Vds Fault occurs Power on Over load protection VFB 7.5V 2.8V Fault removed T12 = CB * (7.5 - 2.8) / Idelay T1 T2 t Figure 13. Over Load Protection VCC 4.2 Abnormal Over Current Protection (AOCP): When the secondary rectifier diodes or the transformer pins are shorted, a steep current with extremely high di/dt can flow through the SenseFET during the LEB time. Even though the FSCQ-Series has OLP (Over Load Protection), it is not enough to protect the FSCQ-Series in that abnormal case, since severe current stress will be imposed on the SenseFET until the OLP triggers. The FSCQ-Series has an internal AOCP (Abnormal Over Current Protection) circuit as shown in Figure 14. When the gate turn-on signal is applied to the power SenseFET, the AOCP block is enabled and monitors the current through the sensing resistor. The voltage across the resistor is then compared with a preset AOCP level. If the sensing resistor voltage is greater than the AOCP level, the set signal is applied to the latch, resulting in the shutdown of SMPS. This protection is implemented in the latch mode. 15V 9V ICC IOP ISTART t Fault situation Normal operation Figure 12. Auto Restart Mode Protection 4.1 Over Load Protection (OLP): Overload is defined as the load current exceeding its normal level due to an unexpected abnormal event. In this situation, the protection circuit should trigger to protect the SMPS. However, even when the SMPS is in the normal operation, the over load protection circuit can be triggered during the load transition. To avoid this undesired operation, the over load protection circuit is designed to trigger after a specified time to determine whether it is a transient situation or an overload situation. Because of the pulse-by-pulse current limit capability, the maximum peak current through the SenseFET is limited, and therefore the maximum input power is restricted with a given input voltage. If the output consumes more than this maximum power, the output voltage (Vo) decreases below the set voltage. This reduces the current through the optocoupler LED, which also reduces the optocoupler transistor current, thus increasing the feedback voltage (Vfb). If Vfb exceeds 2.8V, D1 is blocked, and the 5A current source starts to charge CB slowly up to VCC. In this condition, Vfb continues increasing until it reaches 7.5V, then the switching operation is terminated as shown in Figure 13. The delay time for shutdown is the time required to charge CB from 2.8V to 7.5V with 5A. In general, a 20~50ms delay time is typical for most applications. OLP is implemented in auto restart mode. 2.5R OSC S Q Gate Driver - R Q R LEB Rsense 2 GND + AOCP Vaocp - Figure 14. AOCP Block 4.3 Over Voltage Protection (OVP): If the secondary side feedback circuit malfunctions or a solder defect causes an open in the feedback path, the current through the optocoupler transistor becomes almost zero. Then, Vfb climbs up in a similar manner to the over load situation, forcing the preset maximum current to be supplied to the SMPS until the over load protection triggers. Because more energy than required is provided to the 17 FSCQ-Series Rev. 1.1.2 PWM + Normal operation www.fairchildsemi.com FSCQ-Series Green Mode Fairchild Power Switch (FPSTM) - Latch mode protection: Once this protection is triggered, switching is terminated and the Sense FET remains off until the AC power line is unplugged. Then, VCC continues charging and discharging between 9V and 15V. The latch is reset only when VCC is discharged to 6V by unplugging the AC power line. VO2 Linear Regulator Micom VO1 (B +) RD DZ Rbias R1 CF RF R3 D1 Q1 C KA431 4.4 Thermal Shutdown (TSD): The SenseFET and the control IC are built in one package. This makes it easy for the control IC to detect abnormal over temperature of the SenseFET. When the temperature exceeds approximately 150C, the thermal shutdown triggers. This protection is implemented in the latch mode. A Picture ON R R2 Figure 15. Typical Feedback Circuit to Drop Output Voltage in Standby Mode Figure 17 shows the burst mode operation waveforms. When the picture ON signal is disabled, Q1 is turned off and R3 and Dz are connected to the reference pin of KA431 through D1. Before Vo2 drops to Vo2stby, the voltage on the reference pin of KA431 is higher than 2.5V, which increases the current through the opto LED. This pulls down the feedback voltage (VFB) of FSCQ-Series and forces FSCQ-Series to stop switching. If the switching is disabled longer than 1.4ms, FSCQ-Series enters into burst operation and the operating current is reduced from IOP to 0.25mA (IOB). Since there is no switching, Vo2 decreases until it reaches Vo2stby. As Vo2 reaches Vo2stby, the current through the opto LED decreases allowing the feedback voltage to rise. When the feedback voltage reaches 0.4V, FSCQ-Series resumes switching with a predetermined peak drain current of 0.9A. After burst switching for 1.4ms, FSCQ-Series stops switching and checks the feedback voltage. If the feedback voltage is below 0.4V, FSCQ-Series stops switching until the feedback voltage increases to 0.4V. If the feedback voltage is above 0.4V, FSCQ-Series goes back to the normal operation. 5. Soft Start: The FSCQ-Series has an internal soft-start circuit that increases PWM comparator's inverting input voltage together with the SenseFET current slowly after it starts up. The typical soft start time is 20ms. The pulse width to the power switching device is progressively increased to establish the correct working conditions for transformers, inductors, and capacitors. Increasing the pulse width to the power switching device also helps prevent transformer saturation and reduces the stress on the secondary diode during startup. For a fast build up of the output voltage, an offset is introduced in the soft-start reference current. 6. Burst Operation: In order to minimize the power consumption in the standby mode, the FSCQ-Series employs burst operation. Once FSCQ-Series enters into the burst mode, FSCQ-Series allows all output voltages and effective switching frequency to be reduced. Figure 15 shows the typical feedback circuit for C-TV applications. In normal operation, the picture on signal is applied and the transistor Q1 is turned on, which decouples R3, Dz and D1 from the feedback network. Therefore, only Vo1 is regulated by the feedback circuit in normal operation and determined by R1 and R2 as: The output voltage drop circuit can be implemented alternatively as shown in Figure 16. In the circuit of Figure 16, the FSCQ-Series goes into burst mode, when picture off signal is applied to Q1. Then, Vo2 is determined by the zener diode breakdown voltage. Assuming that the forward voltage drop of opto LED is 1V, the approximate value of Vo2 in standby mode is given by: R1 + R2 V o1norm = 2.5 * -------------------- R2 In the standby mode, the picture ON signal is disabled and the transistor Q1 is turned off, which couples R3, Dz, and D1 to the reference pin of KA431. Then, Vo2 is determined by the zener diode breakdown voltage. Assuming that the forward voltage drop of D1 is 0.7V, Vo2 in standby mode is approximately given by: V o2stby = V Z + 1 V o2stby = V Z + 0.7 + 2.5 18 FSCQ-Series Rev. 1.1.2 www.fairchildsemi.com FSCQ-Series Green Mode Fairchild Power Switch (FPSTM) output, the output voltage may exceed the rated voltage before the over load protection triggers, resulting in the breakdown of the devices in the secondary side. In order to prevent this situation, an over voltage protection (OVP) circuit is employed. In general, the peak voltage of the sync signal is proportional to the output voltage and the FSCQ-Series uses a sync signal instead of directly monitoring the output voltage. If the sync signal exceeds 12V, an OVP is triggered resulting in a shutdown of SMPS. In order to avoid undesired triggering of OVP during normal operation, the peak voltage of the sync signal should be designed to be below 12V. This protection is implemented in the auto restart mode. FSCQ-Series Green Mode Fairchild Power Switch (FPSTM) VO2 Linear Regulator Micom RD Rbias VO1 (B+) CF C KA431 A RF R1 R R2 DZ Q1 Picture OFF Figure 16. Feedback Circuit to Drop Output Voltage in Standby Mode 19 FSCQ-Series Rev. 1.1.2 www.fairchildsemi.com (b) FSCQ-Series Green Mode Fairchild Power Switch (FPSTM) (a) (c) Vo2norm Vo2stby VFB 0.4V IOP IOP IOB Vds Picture On Picture Off Picture On Burst Mode 0.4V 0.4V 0.3V VFB 0.4V Vds 1.4ms 1.4ms 0.9A Ids 1.4ms 0.9A (a) Mode Change to Burst Operation (b) Burst Operation (c) Mode Change to Normal Operation Figure 17. Burst Operation Waveforms 20 FSCQ-Series Rev. 1.1.2 www.fairchildsemi.com Application Output Power Input Voltage Output Voltage (Max Current) C-TV 59W Universal Input (90-270 Vac) 12V (0.5A) 18V (0.3A) 125V (0.3A) 24V (0.4A) Features Key Design Notes High Efficiency (>83% at 90 Vac Input) 24V output is designed to drop to around 8V in standby mode Wider Load Range through the Extended Quasi-Resonant Operation Low Standby Mode Power Consumption (<1W) Low Component Count Enhanced System Reliability Through Various Protection Functions Internal Soft-Start (20ms) 1. Schematic T1 EER3540 RT101 5D-9 C102 220F 400V BD101 R101 100k 0.25W 1 3 11 R106 C104 1.5k 10F 50V 1W 1 Drai n SYNC 3 Vcc IC101 5 FSCQ0565RT GND 2 C103 10F 50V FB 4 C106 47nF 50V C204 1000F 35V C210 470pF 1kV D204 EGP20D 4 D104 UF4007 12V, 0.5A 10 BEAD101 R102 150k 0.25W ZD101 18V 1W D205 EGP20D C107 680pF 1kV D102 1N4937 18V, 0.3A 13 12 C205 1000F 35V C209 470pF 1kV D202 EGP20J D103 1N4148 R105 470 0.25W R104 D101 R103 6 1.5k 1N4937 5.1 0.25W 0.25W 14 15 16 C105 3.9nF 50V 125V, 0.3A L201 C201 BEAD 100F 160V C207 470pF 1kV C202 47F 160V D203 EGP20D 7 LF101 18 OPTO101 FOD817A 24V, 0.4A 17 C203 1000F 35V C208 470pF 1kV VR201 30k R205 220k 0.25W R201 1k 0.25W C101 330nF 275VAC FUSE 250V 2.0A C301 2.2nF Q201 KA431 21 FSCQ-Series Rev. 1.1.2 R208 1k 0.25W ZD201 C206 22nF 50V Normal ZD202 5.1V 0.5W R202 1k 0.25W R203 39k 0.25W R204 4.7k 0.25W D201 Q202 KSC945 SW201 R207 5.1k 0.25W Standby R206 5.1k 0.25W www.fairchildsemi.com FSCQ-Series Green Mode Fairchild Power Switch (FPSTM) FSCQ0565RT Typical Application Circuit EER3540 Np1 1 18 2 17 3 16 4 15 5 14 6 13 Np2 N24V Na N18V N125V /2 N125V /2 N125V /2 Np2 N12V Na 7 12 8 11 9 10 N24V N12V N125V /2 Np1 N18V 3. Winding Specification No Pin (sf) Wire Turns Winding Method x1 32 Center Winding x1 32 Center Winding 0.4 x 2 13 Center Winding x2 7 Center Winding x1 32 Center Winding x1 32 Center Winding 0.4 x 2 10 Center Winding 20 Center Winding 1-3 0.5 N125V/2 16-15 0.5 N24V 18-17 12-13 0.5 3-4 0.5 N125V/2 15-14 0.5 N18V 11-10 0.3 Np1 N12V Np2 Na 7-6 x1 4. Electrical Characteristics Pin Specification Remarks Inductance 1-3 740H 5% 1kHz, 1V Leakage Inductance 1-3 10H Max 2nd all short 5. Core & Bobbin Core: EER3540 Bobbin: EER3540 Ae: 107 mm2 22 FSCQ-Series Rev. 1.1.2 www.fairchildsemi.com FSCQ-Series Green Mode Fairchild Power Switch (FPSTM) 2. Transformer Schematic Diagram Part Value Note Part Fuse FUSE Note Capacitor (Continued) 250V/2A RT101 Value C210 470pF/1kV Ceramic Capacitor NTC C301 2.2nF/1kV AC Ceramic Capacitor Resistor BEAD101 BEAD BEAD201 5H 5D-9 Inductor R101 100k 0.25W 3A R102 150k 0.25W R103 5.1 0.25W D101 1N4937 1A, 600V R104 1.5k 0.25W D102 1N4937 1A, 600V R105 470 0.25W D103 1N4148 0.15A, 50V R106 1.5k 1W D104 Short R107 Open D105 Open R201 1k 0.25W ZD101 1N4746 R202 1k 0.25W ZD102 Open R203 39k 0.25W ZD201 1N5231 5.1V, 0.5W Diode 18V, 1W R204 4.7k 0.25W, 1% D201 1N4148 0.15A, 50V R205 220k 0.25W, 1% D202 EGP20J 2A, 600V R206 5.1k 0.25W D203 EGP20D 2A, 200V R207 5.1k 0.25W D204 EGP20D 2A, 200V R208 1k 0.25W D205 EGP20D 2A, 200V VR201 30k Bridge Diode Capacitor BD101 C101 330n/275VAC Box Capacitor C102 220F/400V Electrolytic C103 10F/50V Electrolytic C104 10F/50V Electrolytic C105 3.9nF/50V Film Capacitor C106 47nF/50V Film Capacitor C107 680pF/1kV Film Capacitor C108 Open C201 100F/160V C202 C203 C204 1000F/35V Electrolytic C205 1000F/35V Electrolytic GSIB660 Line Filter LF101 14mH Transformer T101 EER3540 Switch SW201 ON/OFF For MCU Signal IC IC101 FSCQ0565RT Electrolytic OPT101 FOD817A 47F/160V Electrolytic Q201 KA431LZ 1000F/35V Electrolytic Q202 KSC945 C206 22nF/50V Film Capacitor C207 470pF/1kV Ceramic Capacitor C208 470pF/1kV Ceramic Capacitor C209 470pF/1kV Ceramic Capacitor 23 FSCQ-Series Rev. 1.1.2 6A, 600V TO-220F-5L TO-92 www.fairchildsemi.com FSCQ-Series Green Mode Fairchild Power Switch (FPSTM) 6. Demo Circuit Part List Application Output Power Input Voltage Output Voltage (Max Current) C-TV 83W Universal input (90-270 Vac) 12V (1A) 18V (0.5A) 125V (0.4A) 24V (0.5A) Features Key Design Notes High Efficiency (>83% at 90 Vac Input) 24V output is designed to drop to around 8V in standby mode Wider Load Range through the Extended Quasi-Resonant Operation Low Standby Mode Power Consumption (<1W) Low Component Count Enhanced System Reliability Through Various Protection Functions Internal Soft-Start (20ms) 1. Schematic T1 EER3540 RT101 5D-9 C102 220F 400V BD101 R101 100k 0.25W 1 3 11 R106 C104 1.5k 10F 1W 50V 1 Drai n SYNC 3 Vcc IC101 5 FSCQ0765RT GND 2 C103 10F 50V FB 4 C106 47nF 50V C204 1000F 35V C210 470pF 1kV D204 EGP20D 4 D104 UF4007 12V, 0.5A 10 BEAD101 R102 150k 0.25W ZD101 18V 1W D205 EGP20D C107 1nF 1kV D102 1N4937 18V, 0.3A 13 12 C205 1000F 35V C209 470pF 1kV D202 EGP20J D103 1N4148 R105 470 0.25W R104 D101 R103 6 1.5k 1N4937 5.1 0.25W 0.25W 14 15 16 C105 3.9nF 50V 125V, 0.3A L201 C201 BEAD 100F 160V C207 470pF 1kV C202 47F 160V D203 EGP20D 7 LF101 18 OPTO101 FOD817A 24V, 0.4A 17 C203 1000F 35V C208 470pF 1kV VR201 30k R205 220k 0.25W R201 1k 0.25W FUSE 250V 2.0A C301 2.2nF Q201 KA431 24 FSCQ-Series Rev. 1.1.2 R208 1k 0.25W ZD201 C206 22nF 50V Normal ZD202 5.1V 0.5W R202 1k 0.25W C101 330nF 275VAC R203 39k 0.25W R204 4.7k 0.25W D201 Q202 KSC945 SW201 R207 5.1k 0.25W Standby R206 5.1k 0.25W www.fairchildsemi.com FSCQ-Series Green Mode Fairchild Power Switch (FPSTM) FSCQ0765RT Typical Application Circuit EER3540 Np1 1 18 2 17 3 16 4 15 5 14 6 13 Np2 N24V Na N18V N125V /2 N125V /2 N125V /2 Np2 N12V Na 7 12 8 11 9 10 N24V N12V N125V /2 Np1 N18V 3. Winding Specification No Pin (sf) Wire Turns Winding Method x1 32 Center Winding x1 32 Center Winding 0.4 x 2 13 Center Winding x2 7 Center Winding x1 32 Center Winding x1 32 Center Winding 0.4 x 2 10 Center Winding 20 Center Winding 1-3 0.5 N125V/2 16-15 0.5 N24V 18-17 12-13 0.5 3-4 0.5 N125V/2 15-14 0.5 N18V 11-10 0.3 Np1 N12V Np2 Na 7-6 x1 4. Electrical Characteristics Pin Specification Remarks Inductance 1-3 515H 5% 1kHz, 1V Leakage Inductance 1-3 10H Max 2nd all short 5. Core & Bobbin Core: EER3540 Bobbin: EER3540 Ae: 107 mm2 25 FSCQ-Series Rev. 1.1.2 www.fairchildsemi.com FSCQ-Series Green Mode Fairchild Power Switch (FPSTM) 2. Transformer Schematic Diagram Part Value Note Part Fuse FUSE Note Capacitor (Continued) 250V/2A RT101 Value C210 470pF/1kV Ceramic Capacitor NTC C301 2.2nF/1kV AC Ceramic Capacitor Resistor BEAD101 BEAD BEAD201 5H 5D-9 Inductor R101 100k 0.25W 3A R102 150k 0.25W R103 5.1 0.25W D101 1N4937 1A, 600V R104 1.5k 0.25W D102 1N4937 1A, 600V R105 470 0.25W D103 1N4148 0.15A, 50V R106 1.5k 1W D104 Short R107 Open D105 Open R201 1k 0.25W ZD101 1N4746 R202 1k 0.25W ZD102 Open R203 39k 0.25W ZD201 1N5231 5.1V, 0.5W Diode 18V, 1W R204 4.7k 0.25W, 1% D201 1N4148 0.15A, 50V R205 220k 0.25W, 1% D202 EGP20J 2A, 600V R206 5.1k 0.25W D203 EGP20D 2A, 200V R207 5.1k 0.25W D204 EGP20D 2A, 200V R208 1k 0.25W D205 EGP20D 2A, 200V VR201 30k Bridge Diode Capacitor BD101 C101 330n/275VAC Box Capacitor C102 220F/400V Electrolytic C103 10F/50V Electrolytic C104 10F/50V Electrolytic C105 3.9nF/50V Film Capacitor C106 47nF/50V Film Capacitor C107 1nF/1kV Film Capacitor C108 Open C201 100F/160V C202 C203 C204 1000F/35V Electrolytic C205 1000F/35V Electrolytic GSIB660 6A, 600V Line Filter LF101 14mH Transformer T101 EER3540 Switch SW201 ON/OFF For MCU Signal IC IC101 FSCQ0765RT Electrolytic OPT101 FOD817A 47F/160V Electrolytic Q201 KA431LZ 1000F/35V Electrolytic Q202 KSC945 C206 22nF/50V Film Capacitor C207 470pF/1kV Ceramic Capacitor C208 470pF/1kV Ceramic Capacitor C209 470pF/1kV Ceramic Capacitor 26 FSCQ-Series Rev. 1.1.2 TO-220F-5L TO-92 www.fairchildsemi.com FSCQ-Series Green Mode Fairchild Power Switch (FPSTM) 6. Demo Circuit Part List Application Output Power Input Voltage Output Voltage (Max Current) C-TV 102W Universal input (90-270 Vac) 12V (0.5A) 18V (0.5A) 125V (0.5A) 24V (1.0A) Features Key Design Notes High Efficiency (>83% at 90 Vac Input) 24V output is designed to drop to around 8V in standby mode Wider Load Range through the Extended Quasi-Resonant Operation Low Standby Mode Power Consumption (<1W) Low Component Count Enhanced System Reliability Through Various Protection Functions Internal Soft-Start (20ms) 1. Schematic T1 EER3540 RT101 5D-9 C102 220F 400V BD101 R101 100k 0.25W 1 3 11 R106 C104 1.5k 10F 50V 1W 1 Drai n SYNC 3 Vcc IC101 5 FSCQ0965RT GND 2 C103 10F 50V FB 4 C106 47nF 50V C204 1000F 35V C210 470pF 1kV D204 EGP20D 4 D104 UF4007 12V, 0.5A 10 BEAD101 R102 150k 0.25W ZD101 18V 1W D205 EGP20D C107 1nF 1kV D102 1N4937 18V, 0.3A 13 12 C205 1000F 35V C209 470pF 1kV D202 EGP20J D103 1N4148 R105 470 0.25W R104 D101 R103 6 1.5k 1N4937 5.1 0.25W 0.25W 14 15 16 C105 3.9nF 50V 125V, 0.3A L201 C201 BEAD 100F 160V C207 470pF 1kV C202 47F 160V D203 EGP20D 7 LF101 18 OPTO101 FOD817A 24V, 0.4A 17 C203 1000F 35V C208 470pF 1kV VR201 30k R205 220k 0.25W R201 1k 0.25W FUSE 250V 2.0A C301 2.2nF Q201 KA431 27 FSCQ-Series Rev. 1.1.2 R208 1k 0.25W ZD201 C206 22nF 50V Normal ZD202 5.1V 0.5W R202 1k 0.25W C101 330nF 275VAC R203 39k 0.25W R204 4.7k 0.25W D201 Q202 KSC945 SW201 R207 5.1k 0.25W Standby R206 5.1k 0.25W www.fairchildsemi.com FSCQ-Series Green Mode Fairchild Power Switch (FPSTM) FSCQ0965RT Typical Application Circuit EER3540 Np1 1 18 2 17 3 16 4 15 5 14 6 13 Np2 N24V Na N18V N125V /2 N125V /2 N125V /2 Np2 N12V Na 7 12 8 11 9 10 N24V N12V N125V /2 Np1 N18V 3. Winding Specification No Pin (sf) Wire Turns Winding Method x1 32 Center Winding x1 32 Center Winding 0.4 x 2 13 Center Winding x2 7 Center Winding x1 32 Center Winding x1 32 Center Winding 0.4 x 2 10 Center Winding 20 Center Winding 1-3 0.6 N125V/2 16-15 0.6 N24V 18-17 12-13 0.5 3-4 0.6 N125V/2 15-14 0.6 N18V 11-10 0.3 Np1 N12V Np2 Na 7-6 x1 4. Electrical Characteristics Pin Specification Remarks Inductance 1-3 410H 5% 1kHz, 1V Leakage Inductance 1-3 10H Max 2nd all short 5. Core & Bobbin Core: EER3540 Bobbin: EER3540 Ae: 107 mm2 28 FSCQ-Series Rev. 1.1.2 www.fairchildsemi.com FSCQ-Series Green Mode Fairchild Power Switch (FPSTM) 2. Transformer Schematic Diagram Part Value Note Part Fuse FUSE Note Capacitor (Continued) 250V/3A RT101 Value C210 470pF/1kV Ceramic Capacitor NTC C301 3.3nF/1kV AC Ceramic Capacitor Resistor BEAD101 BEAD BEAD201 5H 5D-9 Inductor R101 100k 0.25W 3A R102 150k 0.25W R103 5.1 0.25W D101 1N4937 1A, 600V R104 1.5k 0.25W D102 1N4937 1A, 600V R105 470 0.25W D103 1N4148 0.15A, 50V R106 1.5k 1W D104 Short R107 Open D105 Open R201 1k 0.25W ZD101 1N4746 R202 1k 0.25W ZD102 Open R203 39k 0.25W ZD201 1N5231 5.1V, 0.5W Diode 18V, 1W R204 4.7k 0.25W, 1% D201 1N4148 0.15A, 50V R205 220k 0.25W, 1% D202 EGP30J 3A, 600V R206 5.1k 0.25W D203 EGP30D 3A, 200V R207 5.1k 0.25W D204 EGP20D 2A, 200V R208 1k 0.25W D205 EGP20D 2A, 200V VR201 30k Bridge Diode Capacitor BD101 C101 330n/275VAC Box Capacitor C102 220F/400V Electrolytic C103 10F/50V Electrolytic C104 10F/50V Electrolytic C105 3.9nF/50V Film Capacitor C106 47nF/50V Film Capacitor C107 1nF/1kV Film Capacitor C108 Open C201 100F/160V C202 C203 C204 1000F/35V Electrolytic C205 1000F/35V Electrolytic GSIB660 6A, 600V Line Filter LF101 14mH Transformer T101 EER3540 Switch SW201 ON/OFF For MCU Signal IC IC101 FSCQ0965RT Electrolytic OPT101 FOD817A 47F/160V Electrolytic Q201 KA431LZ 1000F/35V Electrolytic Q202 KSC945 C206 22nF/50V Film Capacitor C207 470pF/1kV Ceramic Capacitor C208 470pF/1kV Ceramic Capacitor C209 470pF/1kV Ceramic Capacitor 29 FSCQ-Series Rev. 1.1.2 TO-220F-5L TO-92 www.fairchildsemi.com FSCQ-Series Green Mode Fairchild Power Switch (FPSTM) 6. Demo Circuit Part List Application Output Power Input Voltage Output Voltage (Max Current) C-TV 132W Universal input (90-270 Vac) 8.5V (0.5A) 15V (0.5A) 140V (0.6A) 24V (1.5A) Features Key Design Notes High Efficiency (>83% at 90 Vac Input) 24V output is designed to drop to around 8V in standby mode Wider Load Range through the Extended Quasi-Resonant Operation Low Standby Mode Power Consumption (<1W) Low Component Count Enhanced System Reliability Through Various Protection Functions Internal Soft-Start (20ms) 1. Schematic T1 EER4042 RT101 5D-11 3 R101 100k 0.25W BD101 Drain SYNC 3 Vcc IC101 5 FSCQ1265RT GND 2 C103 10F 50V FB 4 C106 47nF 50V C210 470pF 1kV R106 C104 1k 10F 1W 50V D105 1N4937 8.5V, 0.5A 13 C107 1nF 1kV 12 C209 470pF 1kV C205 1000F 35V D202 EGP30J D106 1N4148 R105 470 0.25W R104 D103 R103 6 1.5k 1N4937 5.1 0.25W 0.25W 14 15 16 C105 3.3nF 50V C207 470pF 1kV L202 C201 BEAD 150F 160V 140V, 0.6A C202 68F 160V D203 EGP30D 24V, 1.5A 17 7 LF101 18 OPTO101 FOD817A C208 470pF 1kV R202 1k 0.25W FUSE 250V 5.0A C301 3.3nF 30 C203 1000F 35V VR201 30k R201 1k 0.25W C101 330nF 275VAC FSCQ-Series Rev. 1.1.2 C204 1000F 35V D204 EGP20D 4 1 ZD102 18V 1W 11 BEAD101 R102 150k 0.25W 15V, 0.5A 10 1 C102 330F 400V D205 EGP20D Q201 KA431 LZ C206 150nF 50V R203 39k 0.25W ZD201 5.1V 0.5W R208 1k 0.25W R205 240k D201 0.25W 1N4148 R204 4.7k 0.25W Q202 KSC945 SW201 R207 5.1k 0.25W R206 10k 0.25W www.fairchildsemi.com FSCQ-Series Green Mode Fairchild Power Switch (FPSTM) FSCQ1265RT Typical Application Circuit Np1 Np2 1 EER4042 18 2 17 3 16 4 15 5 14 6 13 N24V Na N15V N140V /2 N8.5V N140V /2 N140V / 2 NP2 Na 7 12 8 11 9 10 N140V / 2 N8.5V NP1 N24V N15V 3. Winding Specification No Pin (sf) Wire 0.65 Turns x2 Winding Method N24 18-17 8 Space Winding Np1 1-3 0.1 x 10 x 2 20 Center Winding N140V/2 16-15 0.1 x 10 x 2 23 Center Winding 3-4 0.1 x 10 x 2 20 Center Winding N140V/2 15-14 0.1 x 10 x 2 22 Center Winding N8.5V 12-13 0.6 x 1 3 Space Winding 11-10 0.6 x1 6 Space Winding 7-6 0.3 x1 13 Space Winding Np2 N15V Na 4. Electrical Characteristics Pin Specification Remarks Inductance 1-4 315H 5% 1kHz, 1V Leakage Inductance 1-4 10H Max 2nd all short 5. Core & Bobbin Core: EER4042 Bobbin: EER4042(18Pin) Ae: 153 mm2 31 FSCQ-Series Rev. 1.1.2 www.fairchildsemi.com FSCQ-Series Green Mode Fairchild Power Switch (FPSTM) 2. Transformer Schematic Diagram Part Value Note Part Fuse FUSE 250V/5A RT101 5D-11 C210 470pF/1kV Ceramic Capacitor C301 3.3nF/1kV AC Ceramic Capacitor Inductor Resistor 100k Note Capacitor (Continued) NTC R101 Value 0.25W BEAD101 BEAD BEAD201 5H 3A R102 150k 0.25W R103 5.1 0.25W D101 1N4937 Diode 1A, 600V R104 1.5k 0.25W D102 1N4937 1A, 600V R105 470 0.25W D103 1N4148 0.15A, 50V R106 1k 1W D104 Short R107 Open D105 Open R201 1k 0.25W ZD101 1N4746 R202 1k 0.25W ZD102 Open 18V, 1W R203 39k 0.25W ZD201 1N5231 5.1V, 0.5W R204 4.7k 0.25W, 1% D201 1N4148 0.15A, 50V R205 240k 0.25W, 1% D202 EGP30J 3A, 600V R206 10k 0.25W D203 EGP30D 3A, 200V R207 5.1k 0.25W D204 EGP20D 2A, 200V R208 1k 0.25W D205 EGP20D 2A, 200V VR201 30k Bridge Diode Capacitor BD101 C101 330n/275 Vac Box Capacitor C102 330F/400V Electrolytic C103 10F/50V Electrolytic C104 10F/50V Electrolytic C105 3.3nF/50V Film Capacitor C106 47nF/50V Film Capacitor C107 1nF/1kV Film Capacitor C108 Open C201 150F/160V C202 68F/160V C203 1000F/35V Electrolytic C204 1000F/35V Electrolytic C205 1000F/35V Electrolytic C206 150nF/50V Film Capacitor C207 470pF/1kV Ceramic Capacitor C208 470pF/1kV Ceramic Capacitor C209 470pF/1kV Ceramic Capacitor 6A, 600V Line Filter LF101 14mH Transformer T101 EER4042 SW201 ON/OFF Switch For MCU Signal IC IC101 FSCQ1265RT Electrolytic OPT101 FOD817A Electrolytic Q201 KA431LZ Q202 KSC945 32 FSCQ-Series Rev. 1.1.2 GSIB660 TO-220F-5L TO-92 www.fairchildsemi.com FSCQ-Series Green Mode Fairchild Power Switch (FPSTM) 6. Demo Circuit Part List Application Output Power Input Voltage Output Voltage (Max Current) C-TV 146W Universal input (90-270Vac) 8.5V (0.5A) 15V (0.5A) 140V (0.7A) 24V (1.5A) Features Key Design Notes High Efficiency (>83% at 90Vac Input) 24V output is designed to drop to around 8V in standby mode Wider Load Range through the Extended Quasi-Resonant Operation Low Standby Mode Power Consumption (<1W) Low Component Count Enhanced System Reliability Through Various Protection Functions Internal Soft-Start (20ms) 1. Schematic T1 EER4245 RT101 6D-22 3 R101 100k 0.25W BD101 Drain SYNC 3 Vcc IC101 5 FSCQ1465RT GND 2 C103 10F 50V FB 4 C106 47nF 50V C210 470pF 1kV R106 C104 1k 10F 1W 50V D105 1N4937 8.5V, 0.5A 13 C107 1nF 1kV 12 C209 470pF 1kV C205 1000F 35V D202 EGP30J D106 1N4148 R105 470 0.25W R104 D103 R103 6 1.5k 1N4937 5.1 0.25W 0.25W 14 15 16 C105 2.7nF 50V C207 470pF 1kV L202 C201 BEAD 150F 160V 140V, 0.6A C202 68F 160V D203 EGP30D 24V, 1.5A 17 7 LF101 18 OPTO101 FOD817A C208 470pF 1kV R202 1k 0.25W FUSE 250V 5.0A C301 3.3nF 33 C203 1000F 35V VR201 30k R201 1k 0.25W C101 330nF 275VAC FSCQ-Series Rev. 1.1.2 C204 1000F 35V D204 EGP20D 4 1 ZD102 18V 1W 11 BEAD101 R102 150k 0.25W 15V, 0.5A 10 1 C102 330F 400V D205 EGP20D Q201 KA431 LZ C206 150nF 50V R203 39k 0.25W ZD201 5.1V 0.5W R208 1k 0.25W R205 240k D201 0.25W 1N4148 R204 4.7k 0.25W Q202 KSC945 SW201 R207 5.1k 0.25W R206 10k 0.25W www.fairchildsemi.com FSCQ-Series Green Mode Fairchild Power Switch (FPSTM) FSCQ1465RT Typical Application Circuit Np1 Np2 1 EER4245 18 2 17 3 16 4 15 5 14 6 13 N24V Na N15V N140V /2 N8.5V N140V /2 N140V / 2 NP2 Na 7 12 8 11 9 10 N140V / 2 N8.5V NP1 N24V N15V 3. Winding Specification No Pin (sf) N24 18-17 0.08 Turns Winding Method x2 5 Space Winding x 20 x 2 13 Center Winding 15 Center Winding 3-4 0.08 x 20 x 2 13 Center Winding 15-14 0.08 x 20 x 2 14 Center Winding 1-3 16-15 N140V/2 0.65 0.08 x 20 x 2 Np1 N140V/2 Np2 Wire N8.5V 12-13 0.6 x1 2 Space Winding N15V 11-10 0.6 x 1 3 Space Winding 0.3 8 Space Winding Na 7-6 x1 4. Electrical Characteristics Pin Specification Remarks Inductance 1-4 260H 5% 1kHz, 1V Leakage Inductance 1-4 10H Max 2nd all short 5. Core & Bobbin Core: EER4245 Bobbin: EER4245(18Pin) Ae: 201.8 mm2 34 FSCQ-Series Rev. 1.1.2 www.fairchildsemi.com FSCQ-Series Green Mode Fairchild Power Switch (FPSTM) 2. Transformer Schematic Diagram Part Value Note Part Fuse FUSE 250V/5A RT101 6D-22 C210 470pF/1kV Ceramic Capacitor C301 3.3nF/1kV AC Ceramic Capacitor Inductor Resistor 100k Note Capacitor (Continued) NTC R101 Value 0.25W BEAD101 BEAD BEAD201 5H 3A R102 150k 0.25W R103 5.1 0.25W D101 1N4937 Diode 1A, 600V R104 1.5k 0.25W D102 1N4937 1A, 600V R105 470 0.25W D103 1N4148 0.15A, 50V R106 1k 1W D104 Short R107 Open D105 Open R201 1k 0.25W ZD101 1N4746 R202 1k 0.25W ZD102 Open 18V, 1W R203 39k 0.25W ZD201 1N5231 5.1V, 0.5W R204 4.7k 0.25W, 1% D201 1N4148 0.15A, 50V R205 240k 0.25W, 1% D202 EGP30J 3A, 600V R206 10k 0.25W D203 EGP30D 3A, 200V R207 5.1k 0.25W D204 EGP20D 2A, 200V R208 1k 0.25W D205 EGP20D 2A, 200V VR201 30k Bridge Diode Capacitor BD101 C101 330n/275VAC Box Capacitor C102 330F/400V Electrolytic C103 10F/50V Electrolytic C104 10F/50V Electrolytic C105 2.7nF/50V Film Capacitor C106 47nF/50V Film Capacitor C107 1nF/1kV Film Capacitor C108 Open C201 150F/160V C202 68F/160V C203 1000F/35V Electrolytic C204 1000F/35V Electrolytic C205 1000F/35V Electrolytic C206 150nF/50V Film Capacitor C207 470pF/1kV Ceramic Capacitor C208 470pF/1kV Ceramic Capacitor C209 470pF/1kV Ceramic Capacitor 6A, 600V Line Filter LF101 14mH Transformer T101 EER3540 SW201 ON/OFF Switch For MCU Signal IC IC101 FSCQ1465RT Electrolytic OPT101 FOD817A Electrolytic Q201 KA431LZ Q202 KSC945 35 FSCQ-Series Rev. 1.1.2 GSIB660 TO-220F-5L TO-92 www.fairchildsemi.com FSCQ-Series Green Mode Fairchild Power Switch (FPSTM) 6. Demo Circuit Part List Application Output Power Input Voltage Output Voltage (Max Current) C-TV 160W Universal input (90-270 Vac) 8.5V (0.5A) 15V (0.5A) 140V (0.8A) 24V (1.5A) Features Key Design Notes High Efficiency (>83% at 90 Vac Input) 24V output is designed to drop to around 8V in standby mode Wider Load Range through the Extended Quasi-Resonant Operation Low Standby Mode Power Consumption (<1W) Low Component Count Enhanced System Reliability Through Various Protection Functions Internal Soft-Start (20ms) 1. Schematic T1 EER4245 RT101 6D-22 3 R101 100k 0.25W BD101 Drain SYNC 3 Vcc IC101 5 FSCQ1565RT GND 2 C103 10F 50V FB 4 C106 47nF 50V C210 470pF 1kV R106 C104 1k 10F 1W 50V D105 1N4937 8.5V, 0.5A 13 C107 1nF 1kV 12 C209 470pF 1kV C205 1000F 35V D202 EGP30J D106 1N4148 R105 470 0.25W R104 D103 R103 6 1.5k 1N4937 5.1 0.25W 0.25W 14 15 16 C105 2.7nF 50V C207 470pF 1kV L202 C201 BEAD 220F 160V 140V, 0.6A C202 68F 160V D203 EGP30D 24V, 1.5A 17 7 LF101 18 OPTO101 FOD817A C208 470pF 1kV R202 1k 0.25W FUSE 250V 5.0A C301 3.3nF 36 C203 1000F 35V VR201 30k R201 1k 0.25W C101 330nF 275VAC FSCQ-Series Rev. 1.1.2 C204 1000F 35V D204 EGP20D 4 1 ZD102 18V 1W 11 BEAD101 R102 150k 0.25W 15V, 0.5A 10 1 C102 470F 400V D205 EGP20D Q201 KA431 LZ C206 150nF 50V R203 39k 0.25W ZD201 5.1V 0.5W R208 1k 0.25W R205 240k D201 0.25W 1N4148 R204 4.7k 0.25W Q202 KSC945 SW201 R207 5.1k 0.25W R206 10k 0.25W www.fairchildsemi.com FSCQ-Series Green Mode Fairchild Power Switch (FPSTM) FSCQ1565RT Typical Application Circuit Np1 Np2 1 EER4245 18 2 17 3 16 4 15 5 14 6 13 N24V Na N15V N140V /2 N8.5V N140V /2 N140V / 2 NP2 Na 7 12 8 11 9 10 N140V / 2 N8.5V NP1 N24V N15V 3. Winding Specification No Pin (sf) Wire 0.65 Turns Winding Method x2 5 Space Winding 1-3 0.08 x 20 x 2 13 Center Winding N140V/2 16-15 0.08 Np2 3-4 N24 Np1 N140V/2 18-17 15-14 x 20 x 2 15 Center Winding 0.08 x 20 x 2 13 Center Winding 0.08 14 Center Winding 2 Space Winding x 20 x 2 12-13 0.6 x1 N15V 11-10 0.6 x1 3 Space Winding Na 7-6 0.3 x 1 8 Space Winding N8.5V 4. Electrical Characteristics Pin Specification Remarks Inductance 1-4 220H 5% 1kHz, 1V Leakage Inductance 1-4 10H Max 2nd all short 5. Core & Bobbin Core: EER4245 Bobbin: EER4245(18Pin) Ae: 201.8 mm2 37 FSCQ-Series Rev. 1.1.2 www.fairchildsemi.com FSCQ-Series Green Mode Fairchild Power Switch (FPSTM) 2. Transformer Schematic Diagram Part Value Note Part Fuse FUSE 250V/5A RT101 6D-22 C210 470pF/1kV Ceramic Capacitor C301 3.3nF/1kV AC Ceramic Capacitor Inductor Resistor 100k Note Capacitor (Continued) NTC R101 Value 0.25W BEAD101 BEAD BEAD201 5H 3A R102 150k 0.25W R103 5.1 0.25W D101 1N4937 Diode 1A, 600V R104 1.5k 0.25W D102 1N4937 1A, 600V R105 470 0.25W D103 1N4148 0.15A, 50V R106 1k 1W D104 Short R107 Open D105 Open R201 1k 0.25W ZD101 1N4746 R202 1k 0.25W ZD102 Open 18V, 1W R203 39k 0.25W ZD201 1N5231 5.1V, 0.5W R204 4.7k 0.25W, 1% D201 1N4148 0.15A, 50V R205 240k 0.25W, 1% D202 EGP30J 3A, 600V R206 10k 0.25W D203 EGP30D 3A, 200V R207 5.1k 0.25W D204 EGP20D 2A, 200V R208 1k 0.25W D205 EGP20D 2A, 200V VR201 30k Bridge Diode Capacitor BD101 C101 330n/275 Vac Box Capacitor C102 470F/400V Electrolytic C103 10F/50V Electrolytic C104 10F/50V Electrolytic C105 2.7nF/50V Film Capacitor C106 47nF/50V Film Capacitor C107 1nF/1kV Film Capacitor C108 Open C201 220F/160V C202 68F/160V C203 1000F/35V Electrolytic C204 1000F/35V Electrolytic C205 1000F/35V Electrolytic C206 150nF/50V Film Capacitor C207 470pF/1kV Ceramic Capacitor C208 470pF/1kV Ceramic Capacitor C209 470pF/1kV Ceramic Capacitor 6A, 600V Line Filter LF101 14mH Transformer T101 EER4245 SW201 ON/OFF Switch For MCU Signal IC IC101 FSCQ1565RT Electrolytic OPT101 FOD817A Electrolytic Q201 KA431LZ Q202 KSC945 38 FSCQ-Series Rev. 1.1.2 GSIB660 TO-220F-5L TO-92 www.fairchildsemi.com FSCQ-Series Green Mode Fairchild Power Switch (FPSTM) 6. Demo Circuit Part List Application Output Power Input Voltage Output Voltage (Max Current) C-TV 198W Universal input (90-270 Vac) 8.5V (1A) 15V (1A) 140V (0.9A) 24V (2A) Features Key Design Notes High Efficiency (>83% at 90 Vac Input) 24V output is designed to drop to around 8V in standby mode Wider Load Range through the Extended Quasi-Resonant Operation Low Standby Mode Power Consumption (<1W) Low Component Count Enhanced System Reliability Through Various Protection Functions Internal Soft-Start (20ms) 1. Schematic T1 EER4942 RT101 6D-22 3 R101 100k 0.25W BD101 Drain SYNC 3 Vcc IC101 5 FSCQ1565RP GND 2 C103 10F 50V FB 4 C106 47nF 50V C210 470pF 1kV R106 C104 1k 10F 1W 50V D105 1N4937 8.5V, 0.5A 13 C107 1nF 1kV 12 C209 470pF 1kV C205 1000F 35V D202 EGP30J D106 1N4148 R105 470 0.25W R104 D103 R103 6 1.5k 1N4937 5.1 0.25W 0.25W 14 15 16 C105 2.7nF 50V C207 470pF 1kV L202 C201 BEAD 220F 160V 140V, 0.6A C202 100F 160V D203 EGP30D 24V, 1.5A 17 7 LF101 18 OPTO101 FOD817A C208 470pF 1kV R202 1k 0.25W FUSE 250V 5.0A C301 3.3nF 39 C203 2200F 35V VR201 30k R201 1k 0.25W C101 330nF 275VAC FSCQ-Series Rev. 1.1.2 C204 1000F 35V D204 EGP20D 4 1 ZD102 18V 1W 11 BEAD101 R102 150k 0.25W 15V, 0.5A 10 1 C102 470F 400V D205 EGP20D Q201 KA431 LZ C206 22nF 50V R203 39k 0.25W ZD201 5.1V 0.5W R208 1k 0.25W R205 240k D201 0.25W 1N4148 R204 4.7k 0.25W Q202 KSC945 SW201 R207 5.1k 0.25W R206 10k 0.25W www.fairchildsemi.com FSCQ-Series Green Mode Fairchild Power Switch (FPSTM) FSCQ1565RP Typical Application Circuit Np1 Np2 1 EER4942 18 2 17 3 16 4 15 5 14 6 13 N24V Na N15V N140V /2 N8.5V N140V /2 N140V / 2 NP2 Na 7 12 8 11 9 10 N140V / 2 N8.5V NP1 N24V N15V 3. Winding Specification No Pin (sf) Wire Turns Winding Method N24 18-17 0.65 x 2 5 Space Winding 1-3 0.08 x 20 x 2 13 Center Winding 16-15 0.08 x 20 x 2 15 Center Winding Np2 3-4 0.08 x 20 x 2 13 Center Winding N140V/2 15-14 0.08 x 20 x 2 14 Center Winding Np1 N140V/2 N8.5V N15V Na 12-13 0.6 x1 2 Space Winding 11-10 0.6 x1 3 Space Winding 7-6 0.3 x1 8 Space Winding 4. Electrical Characteristics Pin Specification Remarks Inductance 1-4 210H 5% 1kHz, 1V Leakage Inductance 1-4 10H Max 2nd all short 5. Core & Bobbin Core: EER4942 Bobbin: EER4942(18Pin) Ae: 231 mm2 40 FSCQ-Series Rev. 1.1.2 www.fairchildsemi.com FSCQ-Series Green Mode Fairchild Power Switch (FPSTM) 2. Transformer Schematic Diagram Part Value Note Part Fuse FUSE 250V/5A RT101 6D-22 C210 470pF/1kV Ceramic Capacitor C301 3.3nF/1kV AC Ceramic Capacitor Inductor Resistor 100k Note Capacitor (Continued) NTC R101 Value 0.25W BEAD101 BEAD BEAD201 5H 3A R102 150k 0.25W R103 5.1 0.25W D101 1N4937 Diode 1A, 600V R104 1.5k 0.25W D102 1N4937 1A, 600V R105 470 0.25W D103 1N4148 0.15A, 50V R106 1k 1W D104 Short R107 Open D105 Open R201 1k 0.25W ZD101 1N4746 R202 1k 0.25W ZD102 Open 18V, 1W R203 39k 0.25W ZD201 1N5231 5.1V, 0.5W R204 4.7k 0.25W, 1% D201 1N4148 0.15A, 50V R205 240k 0.25W, 1% D202 EGP30J 3A, 600V R206 10k 0.25W D203 EGP30D 3A, 200V R207 5.1k 0.25W D204 EGP20D 2A, 200V R208 1k 0.25W D205 EGP20D 2A, 200V VR201 30k Bridge Diode Capacitor BD101 C101 330n/275 Vac Box Capacitor C102 470F/400V Electrolytic C103 10F/50V Electrolytic C104 10F/50V Electrolytic C105 2.7nF/50V Film Capacitor C106 47nF/50V Film Capacitor C107 1nF/1kV Film Capacitor C108 Open C201 220F/200V C202 100F/200V C203 GSIB660 6A, 600V Line Filter LF101 14mH Transformer T101 EER4942 SW201 ON/OFF Switch For MCU Signal IC IC101 FSCQ1565RP Electrolytic OPT101 FOD817A Electrolytic Q201 KA431LZ 2200F/35V Electrolytic Q202 KSC945 C204 1000F/35V Electrolytic C205 1000F/35V Electrolytic C206 22nF/50V Film Capacitor C207 470pF/1kV Ceramic Capacitor C208 470pF/1kV Ceramic Capacitor C209 470pF/1kV Ceramic Capacitor 41 FSCQ-Series Rev. 1.1.2 TO-220F-5L TO-92 www.fairchildsemi.com FSCQ-Series Green Mode Fairchild Power Switch (FPSTM) 6. Demo Circuit Part List FSCQ-Series Green Mode Fairchild Power Switch (FPSTM) PCB Layout 42 FSCQ-Series Rev. 1.1.2 www.fairchildsemi.com FSCQ-Series Green Mode Fairchild Power Switch (FPSTM) Package Dimensions Dimensions in Millimeters TO-220F-5L(Forming) 43 FSCQ-Series Rev. 1.1.2 www.fairchildsemi.com FSCQ-Series Green Mode Fairchild Power Switch (FPSTM) Package Dimensions Dimensions in Millimeters TO-3PF-7L(Forming) 15.50 0.20 5.85 0.20 3.35 0.20 o3.60 0.20 10 (1.00) (8.40) 0 3-1.50 0.30 #2, 4 #1, 3, 5 0.60 +0.20 -0.10 3.180.30 1.5 (7.00) (2.00) (9.90) 2.350.20 3.350.30 R0.90 2.760.30 5.00 0.30 5-0.60 0.10 #5 2.54 0.30 23.00 0.20 R0.9 2.50 0.30 7.00 0.30 .90 4-MAX1.00 #1 10 R0 (1.51) MAX2.00 A 4.00 0.30 14.50 0.20 (10.90) (13.90) (1.61) 4.500.20 10.00 0.20 (5-o1.50 Dp 0.10MAX) (1.80) 24.50 0.20 1.900.20 2-o2.40 0.05 Dp 1.60 0.03 (1.65) 10 1.50 0.20 2.500.20 4.500.20 (9.90) 9.50 0.20 (12.10) (5-o1.60 Dp 0.10MAX) 1.60 LEAD FRAME 0.30 5 5 1.5 5.85 0.20 3.35 0.20 2.35 0.20 EMC SCALE 15 / 1 DETAIL A POLISH AREA 5 5 1. ( 2. ( 3. ( 44 FSCQ-Series Rev. 1.1.2 ) THESE DIMENSIONS DO NOT INCLUDE MOLD PROTRUSION. ) IS REFERENCE ) IS ASS'Y OUT QUAILTY www.fairchildsemi.com The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not intended to be an exhaustive list of all such trademarks. ACExTM FAST(R) ActiveArrayTM FASTrTM BottomlessTM FPSTM Build it NowTM FRFETTM CoolFETTM GlobalOptoisolatorTM CROSSVOLTTM GTOTM DOMETM HiSeCTM EcoSPARKTM I2CTM E2CMOSTM i-LoTM EnSignaTM ImpliedDisconnectTM FACTTM IntelliMAXTM FACT Quiet SeriesTM Across the board. Around the world.TM The Power Franchise(R) Programmable Active DroopTM ISOPLANARTM LittleFETTM MICROCOUPLERTM MicroFETTM MicroPakTM MICROWIRETM MSXTM MSXProTM OCXTM OCXProTM OPTOLOGIC(R) OPTOPLANARTM PACMANTM POPTM Power247TM PowerEdgeTM PowerSaverTM PowerTrench(R) QFET(R) QSTM QT OptoelectronicsTM Quiet SeriesTM RapidConfigureTM RapidConnectTM SerDesTM ScalarPumpTM SILENT SWITCHER(R) SMART STARTTM SPMTM StealthTM SuperFETTM SuperSOTTM-3 SuperSOTTM-6 SuperSOTTM-8 SyncFETTM TCMTM TinyLogic(R) TINYOPTOTM TruTranslationTM UHCTM UltraFET(R) UniFETTM VCXTM WireTM DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILDiS PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 2. A critical component is any component of a life 1. Life support devices or systems are devices or support device or system whose failure to perform can systems which, (a) are intended for surgical implant into be reasonably expected to cause the failure of the life the body, or (b) support or sustain life, or (c) whose support device or system, or to affect its safety or failure to perform when properly used in accordance with instructions for use provided in the labeling, can be effectiveness. reasonably expected to result in significant injury to the user. PRODUCT STATUS DEFINITIONS Definition of Terms Datasheet Identification Product Status Definition Advance Information Formative or In Design This datasheet contains the design specifications for product development. Specifications may change in any manner without notice. Preliminary First Production This datasheet contains preliminary data, and supplementary data will be published at a later date. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design. No Identification Needed Full Production This datasheet contains final specifications. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design. Obsolete Not In Production This datasheet contains specifications on a product that has been discontinued by Fairchild semiconductor. The datasheet is printed for reference information only. Rev. I18 45 FSCQ-Series Rev. 1.1.2 www.fairchildsemi.com FSCQ-Series Green Mode Fairchild Power Switch (FPSTM) TRADEMARKS