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KA5H0380R Datasheet(PDF) 1 Page - Fairchild Semiconductor |
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KA5H0380R Datasheet(HTML) 1 Page - Fairchild Semiconductor |
1 / 14 page ©2000 Fairchild Semiconductor International www.fairchildsemi.com Rev. .5.0 Features • Precision fixed operating frequency (100/67/50kHz) • Low start-up current(typ. 100uA) • Pulse by pulse current limiting • Over current protection • Over voltage protecton (Min. 25V) • Internal thermal shutdown function • Under voltage lockout • Internal high voltage sense FET • Auto-restart mode Description The SPS product family is specially designed for an off-line SMPS with minimal external components. The SPS consist of high voltage power SenseFET and current mode PWM IC. Included PWM controller features integrated fixed fre- quency oscillator, under voltage lock-out, leading edge blanking, optimized gate turn-on/turn-off driver, thermal shutdown protection, over voltage protection, and tempera- ture compensated precision current sources for loopcompen- sation and fault protection circuitry. Compared to discrete MOSFET and PWM controller or RCC solution, a SPS can reduce total component count, design size, weight and at the same time increase efficiency, productivity, and system reli- ability. It has a basic platform well suited for cost-effective design in either a flyback converter or a forward converter. TO-220F-4L 1. GND 2. DRAIN 3. VCC 4. FB Internal Block Diagram Vcc Vcc Vcc Vcc FB FB FB FB DRAIN GND GND GND GND SFET SFET SFET SFET 5V Vref OSC INTERNAL BIAS GOOD LOGIC Q S R _ + 2.5R 1R 9V 1 mA 5 uA + _ 7.5V THERMAL S/D Q S R POWER ON RESET L.E.B + _ 27V UVLO Rsens KA5H0380R/KA5M0380R/KA5L0380R SPS |
Similar Part No. - KA5H0380R |
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