www.fairchildsemi.com FS8S0765RC Fairchild Power Switch(FPS) Features Description • Primary side regulation • External sync terminal/Soft start • Burst mode operation to reduce the power loss at the standby mode • Reference voltage changed by external sync and Vfb • Wide operating frequency range up to 150KHz • Pulse by pulse over current limiting • Low start-up current (Max:80uA) • Low operating current (Max:15mA) • Over voltage protection (Auto restart mode) • Over load protection (Auto restart mode) • Over current protection (Auto restart mode) • Internal thermal shutdown (Auto restart mode) • Under voltage lockout • Internal high voltage SenseFET The Fairchild Power Switch(FPS) product family are specially designed for an off-line SMPS with minimal external components. The Fairchild Power Switch(FPS) consists of a high voltage power SenseFET and a current mode PWM IC. Included PWM controller features the integrated oscillator to be synchronized with the external sync, the under voltage lockout, the optimized gate turn on/turn off driver, the thermal shutdown protection, the over voltage protection, and the temperature compensated precision current sources for the loop compensation and the fault protection circuitry. Compared with a discrete MOSFET and a controller or a RCC switching converter solution, the Fairchild Power Switch(FPS) can reduce the total component count, design size, and weight and at the same time increase efficiency, productivity, and system reliability. It has a basic platform well suited for the cost effective monitor power supply. Application TO-220-5L • Monitor SMPS 1 1. Drain 2. GND 3. VCC 4. Feedback 5. Sync Internal Block Diagram Vcc Drain 3 1 Vref Soft Start & Sync 5 Burst mode detector (Vfb<0.8V& Vss>3V& No Sync) 0.5mS delay Vref Burst mode controller Internal bias UVLO Vbias Ron Roff OSC Feedback 4 PWM 2.5R Ifb Vref Vref S Q' R R Vcc Vfb Offset Idelay Rsenese OCL Filter (120nsec) OLP Vth=1V Vth=7.5V S Vcc Vth=30V OVP UVLO Reset (Vcc=9V) Q TSD (Tj=160℃) 2 GND R Rev.1.0.0 ©2002 Fairchild Semiconductor Corporation FS8S0765RC Pin Definitions 2 Pin Number Pin Name Pin Function Description 1 Drain High voltage power SenseFET drain. This pin is designed to drive the transformer directly and is capable of switching a maximum of 650V and 4A. 2 GND This pin is the control ground and the SenseFET source. 3 Vcc Vcc is regulated at 22V during the normal mode by the internal Vcc feedback loop. During the off mode Vcc fluctuates between 11V and 12V. 4 Feedback 5 Soft Start & Sync This pin is connected to the inverting input of the PWM comparator through two diodes and a resistor divider. For stable operation, a capacitor should be placed between this pin and GND. This pin performs the soft start operation and detects the external sync signal. FS8S0765RC Absolute Maximum Ratings (Ta=25°C, unless otherwise specified) Parameter Symbol Value Unit VDSS 650 V VDGR 650 V Gate-Source (GND) Voltage VGS ±30 V Drain Current Pulsed (2) IDM 28 ADC Single Pulsed Avalanche Energy (3) EAS 370 mJ (4) IAS 17 A Drain-Source(GND) Voltage (1) Drain-Gate Voltage (RGS=1MΩ) Single Pulsed Avalanche Current Continuous Drain Current (Tc = 25°C) ID 7 ADC Continuous Drain Current (TC=100°C) ID 4.5 ADC VCC 35 V VFB -0.3 to Vcc V VS_S -0.3 to 10 V Supply Voltage Input Voltage Range PD(Watt H/S) 145 W Derating 1.16 W/°C Operating Junction Temperature Tj +150 °C Operating Ambient Temperature TA -25 to +85 °C TSTG -55 to +150 °C Total Power Dissipation Storage Temperature Range Notes: 1. Tj=25°C to 150°C 2. Repetitive rating: Pulse width limited by maximum junction temperature 3. L=14mH, starting Tj=25°C 4. L=13uH, starting Tj=25°C 3 FS8S0765RC Electrical Characteristics (SenseFET part) (Ta=25°C unless otherwise specified) Parameter Symbol Drain Source Breakdown Voltage BVDSS Zero Gate Voltage Drain Current Static Drain Source On Resistance (1) Condition Typ. Max. Unit 650 - - V VDS=650V, VGS=0V - - 200 µA VDS=520V VGS=0V, TC=125°C - - 300 µA RDS(ON) VGS=10V, ID=3.5A - 1.4 1.6 Ω Forward Transconductance gfs VDS=40V, ID=3.5A - 8 - mho Input Capacitance Ciss - 1415 - - 100 - - 15 - - 25 - - 60 - - 115 - - 65 - - 40 - - 7 - - 12 - Output Capacitance Coss Reverse Transfer Capacitance Crss Turn On Delay Time td(on) Rise Time Turn Off Delay Time Fall Time tr td(off) tf Total Gate Charge (Gate-Source+Gate-Drain) Qg Gate-Source Charge Qgs Gate-Drain (Miller) Charge Qgd Note: (1) Pulse test : Pulse width ≤ 300µS, duty 2% 4 IDSS Min. VGS=0V, ID=250µA VGS=0V, VDS=25V, f = 1MHz VDD=325V, ID=6.5A (MOSFET switching time is essentially independent of operating temperature) VGS=10V, ID=6.5A, VDS=325V (MOSFET switching time is essentially independent of operating temperature) pF nS nC FS8S0765RC Electrical Characteristics (Continued) (Ta=25°C unless otherwise specified) Parameter Symbol Condition Min. Typ. Max. Unit UVLO SECTION Start Threshold Voltage VSTART VFB=GND 14 15 16 V Stop Threshold Voltage VSTOP VFB=GND 8 9 10 V 18 20 22 kHz 0 1 3 % OSCILLATOR SECTION Initial Frequency FOSC Voltage Stability FSTABLE 12V ≤ Vcc ≤ 23V Temperature Stability (1) ∆FOSC 0 ±5 ±10 % Maximum Duty Cycle DMAX - 92 95 98 % Minimum Duty Cycle DMIN - - - 0 % 0.7 0.9 1.1 mA -25°C ≤ Ta ≤ 85°C FEEDBACK SECTION Feedback Source Current IFBSO VFB=GND Feedback Sink Current IFBSI VFB=4V,VCC=19V 2.4 3.0 3.6 mA Shutdown Feedback Voltage VSD Vfb ≥ 6.9V 6.9 7.5 8.1 V Idelay VFB=5V 1.6 2.0 2.4 µA Over Voltage Protection VOVP Vcc ≥ 27V 27 30 33 V Over Current Latch Voltage (2) VOCL - 0.95 1.0 1.05 V TSD - 140 160 - °C Shutdown Delay Current PROTECTION SECTION Thermal Shutdown Temp.(1) SYNC & SOFTSTART SECTION Softstart Vortage VSS Vfb=2 4.7 5.0 5.3 V Softstart Current ISS Vss=0V 0.8 1.0 1.2 mA Sync High Threshold Voltage VSH Vcc=16V,Vfb=5V 6.7 7.2 7.9 V Sync Low Threshold Voltage VSL Vcc=16V,Vfb=5V 5.4 5.8 6.2 V Note: 1. These parameters, although guaranteed at the design, are not tested in mass production. 2. These parameters, although guaranteed, are tested in EDS(wafer test) process. 5 FS8S0765RC Electrical Characteristics(Continued) Parameter Symbol Condition Min. Typ. Max. Unit Vcc REGULATION SECTION(NORMAL MODE) VCCNO Vfb=4V, Fsync=25kHz Ifb=900uA GM Vfb=4V, Fsync=25kHz - 2.0 - mA/V ∆Vcc Vfb=4V, Fsync=25kHz - 2.0 - % Burst Mode High Threshold Voltage VBUH Vfb=0V 11.6 12 12.4 V Burst Mode Low Threshold Voltage VBUL Vfb=0V 10.6 11 11.4 V Normal Mode Regulation Voltage Transconductance Vcc Regulation Temperature Stability 21.56 22.0 22.44 V BURST MODESECTION(DPMS MODE) Burst Mode Enable FB Voltage VBUFB Vcc=10.5V 0.7 0.8 0.9 V Burst Mode Enable S_S Voltage VBUSS Vcc=10.5V,Vfb=0V 2.5 3.0 3.5 V Burst Mode Enable Delay Time TBUDT Vcc=10.5V,Vfb=0V - 0.5 - ms FBU Vcc=10.5V,Vfb=0V 32 40 48 kHz Burst Mode Frequency CURRENT LIMIT(SELF-PROTECTION)SECTION Peak Current Limit(1) IOVER - 3.52 4.0 4.48 A Burst Mode Peak Current Limit IBU_PK - 0.45 0.6 0.75 A - 40 80 uA - 9 15 mA TOTAL DEVICE SECTION Start Up Current Operating Supply Current (2) ISTART Vfb=GND, VCC=16V IOP(MIN) Vfb=GND, VCC=12V IOP(MAX) Vfb=GND, VCC=27V Note: 1. These parameters indicate inductor current. 2. These parameters are the current flowing in the control IC. 6 VCC=Vstart-0.1V IOP FS8S0765RC Typical Performance Characteristics (These characteristic graphs are normalized at Ta= 25°C) Operating Supply Current VS Temp. 1.20 1.15 1.15 1.10 1.10 ℃ Normalized to 25℃ ℃ Normalized to 25℃ Start Up Current VS Temp. 1.20 1.05 1.00 0.95 0.90 0.85 1.05 1.00 0.95 0.90 0.85 0.80 -40 -20 0 20 40 60 80 100 120 140 0.80 -40 160 -20 0 20 ℃] Temperature[℃ Figure 1. Start Up Current vs. Temp. 1.15 1.15 1.10 1.10 ℃ Normalized to 25℃ ℃ Normalized to 25℃ 100 120 140 160 1.20 1.05 1.00 0.95 0.90 1.05 1.00 0.95 0.90 0.85 0.85 -20 0 20 40 60 80 100 120 140 0.80 -40 160 -20 0 20 40 60 80 100 120 140 160 ℃] Temperature[℃ ℃] Temperature[℃ Figure 4. Stop Threshold Voltage vs. Temp. Figure 3. Start Threshold Voltage vs. Temp. Maximum Duty Cycle VS Temp. Initial Freqency VS Temp. 1.20 1.20 1.15 1.15 1.10 1.10 ℃ Normalized to 25℃ ℃ Normalized to 25℃ 80 Stop Threshold Voltage VS Temp. Start Threshold Voltage VS Temp. 1.05 1.00 0.95 0.90 0.85 0.80 -40 60 Figure 2. Operating Supply Current vs. Temp. 1.20 0.80 -40 40 ℃] Temperature[℃ 1.05 1.00 0.95 0.90 0.85 -20 0 20 40 60 80 100 120 ℃] Temperature[℃ Figure 5. Initial Freqency vs. Temp. 140 160 0.80 -40 -20 0 20 40 60 80 100 120 140 160 ℃] Temperature[℃ Figure 6. Maximum Duty Cycle vs. Temp. 7 FS8S0765RC Typical Performance Characteristics(Continued) (These characteristic graphs are normalized at Ta= 25°C) Feedback Sink Current VS Temp. 1.20 1.15 1.10 ℃ Normalized to 25℃ ℃ Normalized to 25℃ Feedback Offset Voltage VS Temp. 1.7 1.6 1.5 1.4 1.3 1.2 1.1 1.0 0.9 0.8 0.7 0.6 0.5 -40 1.05 1.00 0.95 0.90 0.85 -20 0 20 40 60 80 100 120 140 0.80 -40 160 -20 0 20 1.20 1.20 1.15 1.15 1.10 1.10 ℃ Normalized to 25℃ ℃ Normalized to 25℃ 80 100 120 140 160 Shutdown Feedback Voltage VS Temp. Shutdown Delay Current VS Temp. 1.05 1.00 0.95 0.90 1.05 1.00 0.95 0.90 0.85 0.85 0.80 -40 -20 0 20 40 60 80 100 120 0.80 -40 140 160 -20 0 20 Figure 9. Shutdown Delay Current vs. Temp. 60 80 100 120 140 160 Figure 10. Shutdown Feedback Voltage vs. Temp. SoftStart Voltage VS Temp. Over Voltage Protection VS Temp. 1.20 1.15 1.15 ℃ Normalized to 25℃ 1.20 1.10 1.05 1.00 0.95 0.90 0.85 0.80 -40 40 ℃] Temperature[℃ ℃] Temperature[℃ ℃ Normalized to 25℃ 60 Figure 8. Feedback Sink Current vs. Temp. Figure 7. Feedback Offset Voltage vs. Temp. 1.10 1.05 1.00 0.95 0.90 0.85 -20 0 20 40 60 80 100 120 140 ℃] Temperature[℃ Figure 11. Soft Start Voltage vs. Temp. 8 40 ℃] Temperature[℃ ℃] Temperature[℃ 160 0.80 -40 -20 0 20 40 60 80 100 120 140 160 ℃] Temperature[℃ Figure 12. Over Voltage Protection vs. Temp. FS8S0765RC Typical Performance Characteristics(Continued) (These characteristic graphs are normalized at Ta= 25°C) Transconductance VS Temp. 1.20 1.15 1.15 ℃ Normalized to 25℃ ℃ Normalized to 25℃ Normal Mode Regulation Voltage VS Temp. 1.20 1.10 1.05 1.00 0.95 0.90 1.10 1.05 1.00 0.95 0.90 0.85 0.85 0.80 -40 -20 0 20 40 60 80 100 120 140 0.80 -40 160 -20 0 20 40 60 80 100 120 140 160 ℃] Temperature[℃ ℃] Temperature[℃ Figure 14. Transconductance vs. Temp. Figure 13. Normal Mode Regulation Voltage vs. Temp. Burst Mode Low Threshold Voltage VS Temp. Feedback Sink Current VS Temp. 1.20 1.4 1.15 ℃ Normalized to 25℃ ℃ Normalized to 25℃ 1.3 1.2 1.1 1.0 0.9 1.10 1.05 1.00 0.95 0.90 0.85 0.8 -40 -20 0 20 40 60 80 100 120 140 160 0.80 -40 -20 0 20 ℃] Temperature[℃ 40 60 80 100 120 140 160 ℃] Temperature[℃ Figure 15. Feedback Sink Current vs. Temp. Figure 16. Burst Mode Low Threshold Voltage vs. Temp. Burst Mode High Threshold Voltage VS Temp. Burst Mode Enable FB Voltage VS Temp. 1.20 1.20 1.15 1.10 ℃ Normalized to 25℃ ℃ Normalized to 25℃ 1.15 1.10 1.05 1.05 1.00 1.00 0.95 0.95 0.90 0.90 0.85 0.80 -40 0.85 -20 0 20 40 60 80 100 120 140 160 ℃] Temperature[℃ Figure 17. Burst Mode High Threshold Voltage vs. Temp. 0.80 -40 -20 0 20 40 60 80 100 120 140 160 ℃] Temperature[℃ Figure 18. Burst Mode Enable Voltage vs. Temp. 9 FS8S0765RC Typical Performance Characteristics(Continued) (These characteristic graphs are normalized at Ta= 25°C) Burst Mode Peak Current VS Temp. Peak Current Limit VS Temp. 1.20 1.20 1.15 1.10 ℃ Normalized to 25℃ ℃ Normalized to 25℃ 1.15 1.05 1.00 0.95 0.90 0.85 0.80 -40 1.05 1.00 0.95 0.90 0.85 -20 0 20 40 60 80 100 120 140 160 ℃] Temperature[℃ Figure 19. Burst Mode Peak Current vs. Temp. 10 1.10 0.80 -40 -20 0 20 40 60 80 100 ℃] Temperature[℃ Figure 20. Peak Current vs. Temp. 120 140 160 FS8S0765RC Function Information operates again when the Vcc voltage is recharged to 15V. 1. Start up circuit : To guarantee stable operation of the control IC, the FS8S0765RC has the UVLO circuit with 6V hysteresis. The Vcc start up voltage is 15V and the stop voltage is 9V. When the Vcc reaches 15V, the control IC operates. Once the control IC start operating, it continues to operate until the Vcc is below the stop voltage, 9V. P rotection opera ting (O CP ,O L P or TS D ) V V ds Icc t ime V 22V 15V 9V V cc 15mA A uto res ta rt t ime Figure 3. Auto restart operation after protection 80uA Vcc Vstop=9V Vstart=15V OVP Figure 1. Strat up with hysteresis 2. The primary side regulation : To control the transformer output, the FPS compares the feedback voltage with the current sensing voltage. To generate the feedback voltage, the existing FPS uses the photo coupler and TL431, etc in the secondary side regulation SMPS. But in the SMPS using the FS8S0765RC, these components do not need. The regulation circuit to control the feedback voltage is built in the control IC as shown figure 2. During the normal operation, the Vcc voltage is regulated to 22V by the Vcc reference voltage, V1. And at burst mode, the Vcc voltage fluctuates between 11V to 12V by the reference voltage, V2. 3.1 Over Current Protection(OCP) : Although the cycle by cycle over current limit tries to limit the peak current to a predetermined level, it can not work during the leading edge blanking. When the secondary rectifying diodes or the transformer pins are shorted, a steep current with extremely high di/dt can flow during the leading edge blanking. The OCP block is added to ensure the reliability. It turns off the SenseFET within 300ns after the abnormal over current condition is sensed. OVP OLP TSD S Q' SenseFET GATE DRIVER R UVLO PWMComp OCP COMP. D C L ink V olt a ge Vsense : 1V Np Nv cc Vcc Nv o D ra in 3 Vfb 4 3.2 Over Load Protection(OLP) : During the over load condition, the ouput of the internal error amp(Amp1) shown in the figure 2 is zero. The feedback voltage, Vfb is charged up by the internal current source of 2uA. When Vfb touches 7.5V, the OLP block is activated as shown in figure 5. A m p1 Cd C fb B urs t s igna l Id elay 2 uA D1 Ifb A m p2 V1 V b ia s V2 0 .9 mA D2 G a te driv er F a ir c h ild P o w e r S w itc h (F S 8 S 0 7 6 5 R C ) 2 G ND Figure 2. Circuit for the primary side regulation 3. Protection function : The FS8S0765RC has 3 self protective functions(OCP, OLP and TSD). Because it does not require the additional external components, the reliability can be achieved without cost increase. These protection functions operate in auto restart mode. The protection is reset when the Vcc voltage goes below 9V. The control IC 11 Figure 4. OCP block 1 FS8S0765RC Figure 6. The circuit for the soft start V Vds time V 22V 15V Vcc 9V Auto restart time Over load protection V 7.5V Vfb 5. Synchronization : It is well known that the synchronization method is the best way to eliminate the screen noise of the CRT monitor. The switching frequency of the FS8S0765RC can vary from 20 KHz to 150 KHz by an external sync signal. The internal sync comparator detects the sync signal and determines the SenseFET turn-on time. During the high pulse of the sync comparator output voltage, the SenseFET remains an off state. The SenseFET is turned on at the negative edge of the sync comparator output voltage. The reference voltage of the sync comparator is an inverted sawtooth with the base frequency of 20kHz and with the varying range between 5.8V and 7.2V, as shown in the figure 7 and figure 8. The inverted sawtooth reference gets rid of the excessive switching noise at the very first synchronized turn-on. The external sync signal is recommended to have an amplitude of minimum, 4.2V. time Figure 5. The waveforms at the OLP and auto restart 3.3 Thermal Shutdown(TSD) : The SenseFET and the control IC are built in one package. This makes it easy for the control IC to detect the heat generation from the SenseFET. When the temperature exceeds approximately 160°C, the thermal shutdown operates. 4. Soft Start : During the initial start up, the sink current of the internal error amp(Amp1) shown in the figure 2 remains zero. During this period, the soft start capacitor, Css is charged by the 0.9mA current source and the 50K resistor from 5V voltage source and the feedback capacitor, Cfb is charged by the 0.9mA current source and the 2uA current, as shown in the figure 6. By choosing much bigger Css than Cfb, the feedback voltage, Vfb is increased slowly forcing the SenseFET current to increase slowly. After Vfb reaches its steady state value, only the current through the 50K resistor charges the Css exponentially. If the value of Css is too large so the rising speed of Vfb is higher than that of the soft start voltag, Vss, there is possibility that Vfb touches 7.5V, the over load detection level during the soft start period. In order to avoid this phenomenon, it is recommended that the value of Css should not exceed 100 times of Cfb. Vref SYNCCOMP. 5 Css 7.2V External Sync Rss D3 5.8V D OSC 4 Cfb 2.5R 2uA S PWMCOMP. GATE DRIVER 0.9mA R Voffset FS8S0765RC Figure 7. The circuit for the synchronization with external sync 7.2V Sync threshold 5.8V External Sync 5V Vref 50K Css 5 CLK Rss D3 D OSC 4 2.5R Cfb 2uA PWM COMP. S GATE DRIVER 0.9mA R Voffset FS8S0765RC Figure 8. The waveforms at the synchronization. 6. Sync detector and burst operation : At the power saving mode(off mode), the FS8S0765RC reduces the output voltages to almost half of the normal value and enters into the burst mode in order to make the power dissipation minimize. The FS8S0765RC enters the power saving mode when the voltage on pin #5(Vss) is higher than 3V, there is no sync 12 FS8S0765RC signal, and the voltage on pin #4(Vfb) is lower than 0.8V. V 5V Vsync 3V V Vfb 0.8V V Vds V 22V Vcc 15V 12V 11V 9V Section 4 Section I Section 2 Section 3 Section 5 Section 6 time Figure 9. The operation of the FS8S0765RC at the normal mode and the off mode During the power saving mode, the Vcc which was regulated at 22V during the normal mode, fluctuates between 11V and 12V. When the Vcc touches 11V, the FS8S0765RC starts to switch and when the Vcc reaches 12V, it stops switching. During the switching periods, the FS8S0765RC has the switching frequency of 40 KHz and the constant peak MOSFET current of 0.6A. Figure 9 shows operating waveforms. The soft start during the initial start-up is shown in the section 1. During this period, there is no external sync signal and the switching frequency is 20KHz. The section 2 represents the normal mode operation. The switching frequency is synchronized with the external sync signal. In the section 3, the external sync signal is removed, but the load exists and thus the Vfb is higher than 0.8V. In this period the FS8S0765RC does the normal switching operation with the switching frequency of 20KHz. The section 4 and 5 show the burst mode operation. At the end of the section 3, the load is also eliminated and at the beginning of the section 4, the Vfb drops down below 0.8V and the FS8S0765RC stops switching. During the section 4, the Vcc goes down to 11V. When the external sync signal appears at the pin 5, the FS8S0765RC recovers its normal operation. 13 FS8S0765RC Typical application circuit 1. 80W Universal Input Power Supply For CRT Monitor T1 + 2 1 16 D201 UF4007 BD101 C107 47nF/630V 3 C106 220uF/400V + 4 2 15 3 14 D101 UF4007 D202 UF5404 C202 22uF/160V L202 55V/700mA + + C203 47uF/100V 0 RT101 80V/250mA + C201 22uF/160V - 1 L201 + R101 68K/2W 4 13 6 12 C204 47uF/100V C105 R102 100nF 15 R103 390K Line Filter: LF101 D102 TVR10G D203 UF5402 L203 14.5V/600mA + + C205 1000uF/25V C206 1000uF/25V L204 C207 1000uF/25V C208 1000uF/25V 7 D204 IC101 C104 4.7nF 4.7nF C110 1uF/50V 3 Drain Vfb GND 1 UF5402 2 + 4 + C103 11 S/S Vcc -12V/300mA + 5 FS8S0765RC C102 100nF 10 + C108 R104 22uF/50V 470 C109 47nF D205 UF5401 L205 + External Sync 6.5V/500mA + C209 1000uF/16V C101 TNR C210 1000uF/16V 9 F101 FUSE C301 C302 4.7nF 4.7nF 0 2. Transformer Schematic Diagram Lm : 420uH 16 1 Nvo1 : 10T 15 14 Np : 40T Nvo2 : 22T 13 12 Nvo3 : 6T 4 6 11 Nvo4 : 5T 10 Nvcc : 9T Nvo5 : 3T 7 9 14 FS8S0765RC 3.Winding Specification No Pin (s→ →f) Wire Turns Winding Method 4→1 φ 40 Solenoid Winding 10 Center Winding 9 Solenoid Winding 22 Center Winding 40 Solenoid Winding 6 Solenoid Winding 5 Solenoid Winding 3 Solenoid Winding Np1 0.3 × 1 Insulation: Polyester Tape t = 0.050mm, 2Layers Nvo1 16 → 15 0.3φ × 1 Insulation: Polyester Tape t = 0.050mm, 2Layers 6→7 Nvcc 0.2φ × 1 Insulation: Polyester Tape t = 0.050mm, 2Layers Nvo2 14 → 13 0.3φ × 3 Insulation: Polyester Tape t = 0.050mm, 2Layers 4→1 Np2 0.3φ × 1 Insulation: Polyester Tape t = 0.050mm, 2Layers Nvo3 12 → 9 0.3φ × 2 Insulation: Polyester Tape t = 0.050mm, 2Layers 9 → 11 Nvo4 0.3φ × 1 Insulation: Polyester Tape t = 0.050mm, 2Layers Nvo3 10 → 9 0.3φ × 2 Outer Insulation: Polyester Tape t = 0.050mm, 2Layers 4.Electrical Charateristics Pin Specification Remarks Inductance 1-4 420uH ± 10% 300kHz, 1V Leakage Inductance 1-4 5uH Max 2nd all short 5. Core & Bobbin Core : EER 3540 Bobbin : EER3540 Ae(mm2) : 107 15 FS8S0765RC 6.Demo Circuit Part List Part Value Note Part Value Note C201 22nF/160V Electorlytic Capacitor C202 22nF/160V Electorlytic Capacitor NTC C203 47nF/100V Electorlytic Capacitor C204 47nF/100V Electorlytic Capacitor Resistor C205 1000nF/25V Electorlytic Capacitor Fuse F101 RT101 3A/250V 10D-9 R101 68K 2W C206 1000nF/25V Electorlytic Capacitor R102 15 1/4W C207 1000nF/25V Electorlytic Capacitor R103 390K 1W C208 1000nF/25V Electorlytic Capacitor R104 470 1/4W C209 1000nF/25V Electorlytic Capacitor C210 1000nF/25V Electorlytic Capacitor C301 4.7nF AC Filter Capacitor C302 4.7nF AC Filter Capacitor Inductor L201 ~ L205 13uH Diode D101 UF4007 D102 TVR10G TNR D201 UF4007 Capacitor C101 471D10 C102 100nF Box Capacitor D202 UF5404 C103 4.7nF AC Filter Capacitor D203 UF5402 C104 4.7nF AC Filter Capacitor D204 UF5402 C105 100nF Box Capacitor D205 UF5401 C106 220nF/400V Electorlytic Capacitor C107 47nF/630V Caramic Capacitor BD101 KBL406 C108 22nF/50V Caramic Capacitor C109 47nF Caramic Capacitor C110 1nF/50V Electorlytic Capacitor Bridge Diode Line Filter LF101 24mH IC IC101 FS8S0765RC (7A, 650V) 16 FS8S0765RC Package Dimensions TO-220-5L 17 FS8S0765RC Package Dimensions (Continued) TO-220-5L(Forming) 18 FS8S0765RC Ordering Information Product Number FS8S0765RCTU FS8S0765RCYDTU Package Marking Code BVdss Rds(on)Max. 8S0765RC 650V 1.6 TO-220-5L TO-220-5L(Forming) TU : Non Forming Type YDTU : Forming Type 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 FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user. 2. A critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. www.fairchildsemi.com 9/26/02 0.0m 001 Stock#DSxxxxxxxx 2002 Fairchild Semiconductor Corporation