SMPS Controller

SMPS Controller 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, owing to the integrated timertype-protection circuit. By Fairchild Semiconductor
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KA7577D SOP




KA7577 Pinout will be updated soon..., now you can download the pdf datasheet to check the pinouts !
KA7577 circuits will be updated soon..., now you can download the pdf datasheet to check the circuits!

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