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UC3525A Datasheet SMPS Controller

Manufacturer: Fairchild (now onsemi)

General Description

UC3525A is a monolithic integrated circuit that Included all of the control circuit necessary for a pulse width modulating regulator.

There are a voltage reference, an error amplifier, a pulse width modulator, an oscillator, under-voltage lockout, soft start circuit, and output drivers in the chip.

16-DIP 1 Internal Block Diagram Rev.

Overview

www.fairchildsemi.com UC3525A SMPS Controller.

Key Features

  • 5V ± 1% Reference Oscillator Sync terminal Internal Soft Start Deadtime Control Under-Voltage Lockout.