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KA5M0380R

Fairchild
Part Number KA5M0380R
Manufacturer Fairchild
Description Fairchild Power Switch(FPS)
Published Apr 25, 2005
Detailed Description www.fairchildsemi.com KA5x03xx-SERIES KA5H0365R, KA5M0365R, KA5L0365R KA5H0380R, KA5M0380R, KA5L0380R Fairchild Power ...
Datasheet PDF File KA5M0380R PDF File

KA5M0380R
KA5M0380R


Overview
www.
fairchildsemi.
com KA5x03xx-SERIES KA5H0365R, KA5M0365R, KA5L0365R KA5H0380R, KA5M0380R, KA5L0380R Fairchild Power Switch(FPS) Features • Precision Fixed Operating Frequency (100/67/50kHz) • Low Start-up Current(Typ.
100uA) • Pulse by Pulse Current Limiting • Over Current Protection • Over Voltage Protection (Min.
25V) • Internal Thermal Shutdown Function • Under Voltage Lockout • Internal High Voltage Sense FET • Auto-Restart Mode Applications • SMPS for VCR, SVR, STB, DVD & DVCD • SMPS for Printer, Facsimile & Scanner • Adaptor for Camcorder 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) consists of a high voltage power SenseFET and a current mode PWM IC.
Included PWM controller integrates the fixed frequency oscillator, the under voltage lock-out, the leading edge blanking, 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 to a discrete MOSFET and a PWM controller or an RCCsolution, a 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 design in either a flyback converter or a forward converter TO-220F-4L Internal Block Diagram 1 1.
GND 2.
Drain 3.
VCC 4.
FB #3 VCC #4 FB 32V 5V Internal Vref bias Good logic 5μA 7.
5V 27V OSC 9V 1mA S Q R 2.
5R 1R − + L.
E.
B 0.
1V + − + Thermal S/D S Q R − OVER VOLTAGE S/D Power on reset ©2003 Fairchild Semiconductor Corporation SFET #2 DRAIN #1 GND Rev.
1.
0.
7 KA5X03XX-SERIES Absolute Maximum Ratings (Ta=25°C, unless otherwise specified) Characteristic KA5H0365R, KA5M0365R, KA5L0365R Drain-Gate Voltage (RGS=1MΩ) Gate-Source (GND) Vol...


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