KA3525A

FAIRCHILD SEMICONDUCTOR  KA3525A  控制器, PWM, 35V-8V电源, 430 kHz, 5.1V/500mA输出, DIP-16

The is a PWM Controller programmable frequency up to 430kHz. The KA3525A is a monolithic integrated circuit that includes all of the control circuits necessary for a pulse width modulating regulator. There are a voltage reference, an error amplifier, a pulse width modulator, an oscillator, an under-voltage lockout, a soft start circuit and the output driver in the chip.

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5V ± 1% Reference

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Oscillator sync terminal

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Deadtime control

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Under-voltage lockout