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KA5M02659RN

Fairchild
Part Number KA5M02659RN
Manufacturer Fairchild
Description Fairchild Power Switch
Published Apr 25, 2005
Detailed Description www.fairchildsemi.com KA5x02xx-SERIES KA5H0265RC, KA5M0265R, KA5L0265R, KA5H02659RN/KA5M02659RN, KA5H0280R, KA5M0280R ...
Datasheet PDF File KA5M02659RN PDF File

KA5M02659RN
KA5M02659RN

Overview
www.
fairchildsemi.
com KA5x02xx-SERIES KA5H0265RC, KA5M0265R, KA5L0265R, KA5H02659RN/KA5M02659RN, KA5H0280R, KA5M0280R Fairchild Power Switch(FPS) Features • • • • • • • • • Precision Fixed Operating Frequency (100/67/50kHz) Low Start-up Current (Typ.
100uA) Pulse by Pulse Current Limiting Over Load Protection Over Voltage Protection (Min.
25V) Internal Thermal Shutdown Function Under Voltage Lockout Internal High Voltage Sense FET Auto-Restart Mode 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, leading edge blanking, optimized gate turn-on/ turn-off driver, thermal shut down protection, over voltage protection, and temperature compensated precision current sources for loop compensation and fault protection circuitrycompared to discrete MOSFET and controller or RCC switching converter solution.
The Fairchild Power Switch(FPS) can reduce total component count, design size, weight and at the same time increase efficiency, productivity, and system reliability.
It has a basic platform well suited for cost-effective design in either a flyback converter or a forward converter.
TO-220F-4L 8-DIP TO220-5L 1 1 1.
GND 2.
Drain 3.
Vcc 4.
FB 1.
6.
7.
8.
Drain 2.
GND 3.
Vcc 4.
FB 5.
NC 1 1.
Drain 2.
GND 3.
Vcc 4.
FB 5.
S/S Internal Block Diagram VCC 32V 5V Vref Good logic Internal bias DRAIN SFET * Soft Start 5V uA OSC S R Q − 5µA 1mA 2.
5R 1R 9V + 7.
5V − + 27V − Thermal S/D OVER VOLTAGE S/D + 0.
1V S R Q GND FB L.
E.
B Power on reset * KA5H0265RC Rev.
1.
0.
4 ©2003 Fairchild Semiconductor Corporation KA5X02XX-SERIES Absolute Maximum Ratings (Ta=25°C, unless otherwise specified) Characteristic KA5x0265xRx Drain-Gate Voltage (RGS=1MΩ) Gate-Source (GND) Voltage Drain Current Pulsed (1) Symbol VDGR VGS IDM ID ID ...


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