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| www.fairchildsemi.com FS6S0765RCB Fairchild Power Switch(FPS) Features * * * * * * * * * * Wide Operating Frequency Range up to 150KHz Internal Burst Mode Controller for Stand-by Mode Pulse by Pulse Over Current Limiting Over Current Protection(Auto Restart Mode) Over Voltage Protection (Auto Restart Mode) Over Load Protection(Auto Restart Mode) Internal Thermal Shutdown Function(Auto Restart Mode) Under Voltage Lockout Internal High Voltage SenseFET Internal Sync Terminal/Soft Start Description The Fairchild Power Switch(FPS) product family is specially designed for an off line SMPS with minimal external components. The Fairchild Power Switch(FPS) consist of high voltage power SenseFET and current mode PWM IC. Included PWM controller features integrated fixed oscillator, under voltage lock out, optimized gate turn on/turn off driver, thermal shutdown protection, over voltage protection, and temperature compensated precision current sources for loop compensation and fault protection circuitry. Compared to discrete MOSFET and controller or RCC switching converter solution, a Fairchild Power Switch(FPS) can reduce 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 cost effective monitor power supply. TO-220-5L 1 1. Drain 2. GND 3. VCC 4. Feedback 5. Soft Start & Sync. Internal Block Diagram Vcc SoftStart & Sync Vref Drain 3 Vpp=5.8/7.2V OSC Internal Bias Vref Vfb Vth=1V Burst mode controller Vref UVLO 1 5 S Q Ron Vcc Vth=11V/12V R Roff Feedback PWM 4 Ifb 2.5R R Vcc Vfb Offset Rsenese Vref Idelay OLP Vth=7.5V Vcc Vth=30V OVP OCL Filter (130nsec) TS D (Tj=160) Vth=1V 2 GND S UVLO Reset (Vcc=9V) Q R Rev.1.0.0 (c)2002 Fairchild Semiconductor Corporation FS6S0765RCB Absolute Maximum Ratings (Ta=25C, unless otherwise specified) Parameter Drain-Source(GND) Voltage Gate-Source (GND) Voltage Drain Current Pulsed (2) Single Pulsed Avalanche Energy (3) Single Pulsed Avalanche Current (4) (1) Symbol VDSS VDGR VGS IDM EAS IAS ID ID VCC VFB VS_S PD(Watt H/S) Darting Tj TA TSTG Value 650 650 30 28 570 17 7 4.5 35 -0.3 to VCC -0.3 to 10 145 1.163 +150 -25 to +85 -55 to +150 Unit V V V ADC mJ A ADC ADC V V V W W/C C C C Drain-Gate Voltage (RGS=1M) Continuous Drain Current (Tc = 25C) Continuous Drain Current (TC=100C) Supply Voltage Input Voltage Range Total Power Dissipation Operating Junction Temperature Operating Ambient Temperature Storage Temperature Range Note: 1. Tj = 25C to 150C 2. Repetitive rating: Pulse width limited by maximum junction temperature 3. L = 14.5mH, starting Tj = 25C 4. L = 13uH, starting Tj = 25C 2 FS6S0765RCB Electrical Characteristics (SenseFET part) (Ta=25C unless otherwise specified) Parameter Drain-Source Breakdown Voltage Zero Gate Voltage Drain Current Static Drain-Source on Resistance (1) Forward Transconductance (2) Input Capacitance Output Capacitance Reverse Transfer Capacitance Turn on Delay Time Rise Time Turn Off Delay Time Fall Time Total Gate Charge (Gate-Source+Gate-Drain) Gate Source Charge Gate Drain (Miller) Charge Note: 1. Pulse test : Pulse width 300S, duty 2% 1 2. S = --R Symbol BVDSS IDSS RDS(ON) gfs Ciss Coss Crss td(on) tr td(off) tf Qg Qgs Qgd Condition VGS = 0V, ID = 250A VDS = 650V, VGS = 0V VDS= 520V VGS = 0V, TC = 125C VGS = 10V, ID = 1.8A VDS = 50V, ID = 1.8A VGS = 0V, VDS = 25V, f = 1MHz VDD= 325V, ID= 6.5A (MOSFET switching time are essentially independent of operating temperature) VGS = 10V, ID = 6.5A, VDS = 520V (MOSFET Switching time are Essentially independent of Operating temperature) Min. 650 - Typ. 1.3 3.3 1200 125 23 22 70 105 65 40 6.5 18 Max. 200 300 1.6 - Unit V A A S pF nS nC 3 FS6S0765RCB Electrical Characteristics (Continued) (Ta=25C unless otherwise specified) Parameter UVLO SECTION Start Threshold Voltage Stop Threshold Voltage OSCILLATOR SECTION Initial Frequency Voltage Stability Temperature Stability Maximum Duty Cycle Minimum Duty Cycle FEEDBACK SECTION Feedback Source Current Shutdown Feedback Voltage Shutdown Delay Current PROTECTION SECTION Over Voltage Protection Over Current Latch Voltage Thermal Shutdown Temp. (1) (2) (2) Symbol VSTART VSTOP FOSC FSTABLE FOSC DMAX DMIN IFB VSD Idelay VOVP VOCL TSD Condition VFB = GND VFB = GND 12V Vcc 23V -25C Ta 85C VFB = GND Vfb 6.9V VFB = 5V VCC 27V - Min. Typ. Max. Unit 14 8 22 0 0 92 0.7 6.9 1.6 27 0.9 140 15 9 25 1 5 95 0.9 7.5 2.0 30 1.0 160 16 10 28 3 10 98 0 1.1 8.1 2.4 33 1.1 V V kHz % % % % mA V A V V C Note: 1. These parameters, although guaranteed, are tested in EDS(wafer test) process. 2. These parameters, although guaranteed at the design, are not tested in massing production 4 FS6S0765RCB Electrical Characteristics (Continued) (Ta=25C unless otherwise specified) Parameter SYNC & SOFTSTART SECTION Softstart Voltage Softstart Current Sync High Threshold Voltage Sync Low Threshold Voltage BURST MODE SECTION Burst Mode Low Threshold Voltage Burst Mode High Threshold Voltage Burst Mode Enable Feedback Voltage(3) Burst Mode Peak Current Burst Mode Frequency CURRENT LIMIT(SELF-PROTECTION)SECTION Peak Current Limit(2) TOTAL DEVICE SECTION Start Up Current Operating Supply Current (1) Symbol VSS ISS VSYNCH VSYNCL VBURL VBURH VBEN IBU_PK FBUR IOVER ISTART IOP IOP(MIN) IOP(MAX) Condition Vfb = 2 Vss = V Vcc = 16V, Vfb = 5V Vcc = 16V, Vfb = 5V Vfb = 0V Vfb = 0V Vcc = 10.5V Vcc = 10.5V Vcc = 10.5V, Vfb = 0V Vfb = GND, VCC = 14V Vfb = GND, VCC = 16V Vfb = GND, VCC = 10V Vfb = GND, VCC = 28V Min. Typ. Max. Unit 4.7 0.8 10.4 11.4 0.7 0.45 40 3.52 5.0 1.0 7.2 5.8 11.0 12.0 1.0 0.6 50 4.0 0.1 10 5.3 1.2 11.6 12.6 1.3 0.75 60 4.48 0.17 15 V mA V V V V V V KHz A mA mA Limit(2) Note: 1. These parameters are the current flowing in the Control IC. 2. These parameters indicate Inductor Current. 3. These parameters, although guaranteed at the design, are not tested in massing production. 5 FS6S0765RCB Typical Performance Characteristics Start Up Current vs. Temp 11.0 [mA] 0.150 [mA] Operating Current vs. Temp 0.125 10.5 0.100 10.0 0.075 9.5 0.050 -25 0 25 50 75 100 125 150 9.0 -25 0 25 50 75 100 125 150 Temp Temp Figure 1. Start Up Current vs. Temp. Start Threshold Voltage vs. Temp 10.0 Figure 2. Operating Current vs. Temp. Stop Threshold Voltage vs. Temp 16.0 [V] [V] 15.5 9.5 15.0 9.0 14.5 8.5 14.0 -25 0 25 50 75 100 125 150 8.0 -25 0 25 50 75 100 125 150 Temp Temp Figure 3. Start Threshold Voltage vs. Temp. [KHz] 28 27 Figure 4. Stop Threshold Voltage vs. Temp. [%] Initial Freqency vs. Temp 96.0 Maximum Duty vs. Temp 95.5 26 25 24 94.5 23 22 -25 0 25 50 75 100 125 150 94.0 -25 0 25 50 75 100 125 150 95.0 Temp Temp Figure 5. Initial Frequency vs. Temp. Figure 6. Maximum Duty vs. Temp. 6 FS6S0765RCB Typical Performance Characteristics (Continued) 0.45 0.40 0.35 [V] Feedback Offset Voltage vs. Temp 1.1 [mA] Feedback Source Current vs. Temp 1.0 0.9 0.30 0.25 0.20 -25 0.8 0 25 50 75 100 125 150 0.7 -25 0 25 50 75 100 125 150 Temp Temp Figure 7. Feedback Offset Voltage vs. Temp. [uA] ShutDown Delay Current vs. Temp Figure 8. Feedback Source Current vs. Temp. [V] ShutDown Feedback Voltage vs. Temp 7.60 2.4 2.2 7.55 2.0 7.50 1.8 7.45 1.6 -25 0 25 50 75 100 125 150 7.40 -25 0 25 50 75 100 125 150 Temp Temp Figure 9. Shutdown Delay Current vs. Temp. Figure 10. Shutdown Feedback Voltage vs. Temp. OverVoltage Protection vs. Temp 5.02 [V] Softstart Voltage vs. Temp [V] 31.0 5.01 30.5 5.00 30.0 4.99 29.5 4.98 -25 0 25 50 75 100 125 150 29.0 -25 0 25 50 75 100 125 150 Temp Temp Figure 11. Softstart Voltage vs. Temp. Figure 12. Over Voltage Protection vs. Temp. 7 FS6S0765RCB Typical Performance Characteristics (Continued) [V] 11.2 Burst Mode Low Voltage vs. Temp 12.2 [V] Burst Mode High Voltage vs. Temp 11.1 12.1 11.0 12.0 10.9 11.9 10.8 -25 0 25 50 75 100 125 150 11.8 -25 0 25 50 75 100 125 150 Temp Temp Figure 13. Burst Mode Low Voltage vs. Temp. [KHz] 54 Figure 14. Burst Mode High Voltage vs. Temp. [V] Burst ModeEnable Voltage vs. Temp Burst Mode Freqency vs. Temp 1.3 1.2 52 1.1 50 1.0 0.9 48 0.8 46 -25 0 25 50 75 100 125 150 0.7 -25 0 25 50 75 100 125 150 Temp Temp Figure 15. Burst Mode Frequency vs. Temp. Burst Mode Peak Current vs.Temp Figure 16. Burst Mode Enable Voltage vs. Temp. 0.75 0.70 0.65 0.60 0.55 0.50 [A] [A] 4.4 4.2 4.0 3.8 3.6 Over Current Limit vs.Temp 0.45 -25 0 25 50 75 100 125 150 -25 0 25 50 75 100 125 150 Temp Temp Figure 17. Burst Mode Peak Current vs. Temp. Figure 18. Peak Current Limit vs. Temp. 8 FS6S0765RCB Package Dimensions TO-220-5L 9 FS6S0765RCB Package Dimensions (Continued) TO-220-5L(Forming) 10 FS6S0765RCB Ordering Information Product Number FS6S0765RCB-TU FS6S0765RCB-YDTU TU : Non Forming Type YDTU : Forming Type Package TO-220-5L TO-220-5L(Forming) Marking Code 6S0765RC B BVdss 650V Rds(on) 1.3 11 FS6S0765RCB 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. www.fairchildsemi.com 3/20/02 0.0m 001 Stock#DSxxxxxxxx 2002 Fairchild Semiconductor Corporation 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. |
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