Fairchild Power Switch(FPS)
www.fairchildsemi.com
KA5Q0565RT
Features
• • • • • • • • •
Fairchild Power Switch(FPS)
Description
The Fairchild Powe...
Description
www.fairchildsemi.com
KA5Q0565RT
Features
Fairchild Power Switch(FPS)
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. The integrated PWM controller includes the fixed oscillator, the under voltage lock out, the leading edge blanking, the optimized gate turn-on/turn-off driver, the thermal shut down protection, the over voltage protection, and the temperature compensated precision current sources for loop compensation and fault protection circuitry. Compared to a discrete MOSFET and a controller or a RCC switching converter solutions, a Fairchild Power Switch(FPS) can reduce the total number of components, design size, and weight, so it will improve efficiency, productivity, and system reliability. It has a basic platform well suited for cost-effective design in a quasi-resonant converter as a C-TV power supply.
TO-220F-5L
Quasi Resonant Converter Controller Internal Burst Mode Controller for Stand-by Mode Pulse by Pulse Current Limiting Over Current Latch Protection Over Voltage Protection (Vcc: Min. 27V) Internal Thermal Shutdown Function Under Voltage Lockout Internal High Voltage Sense FET Auto-Restart Mode
1. Drain 2. GND 3. VCC 4. Feedback 5. Sync
Internal Block Diagram
VCC DRAIN
3
Internal BIAS
1
11V on 12V off Burst Mode 3.5V/1.25V
VREF
+ UVLO 15V/9V
+
+...
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