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KA7577

Part Number	KA7577
Manufacturer	Fairchild
Description	SMPS Controller
Published	Apr 25, 2005
Detailed Description	www.fairchildsemi.com KA7577 SMPS Controller Features • • • • • • • Low Stand-By Current Pulse by Pulse Current Limiti...
Datasheet	KA7577 PDF File

Overview

www.
fairchildsemi.
com KA7577 SMPS Controller Features • • • • • • • Low Stand-By Current Pulse by Pulse Current Limiting Over Voltage Protection Over Current Protection Integrated Thermal Shutdown Circuit Output Driver Current of ± 2A Totem pole Output Description KA7577 is fixed frequency PWM controller and specially designed for SMPS to get regulated DC voltage from AC power supply.
This integrated circuit has so fast rise and fall output pulse that it can directly drive power transistor as well as power MOSFET.
This device features high speed and high sensitive current limiting.
Protection circuitry include current limiting function against short and over current at secondary side, owi...

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