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UTC3521 Datasheet CMOS IC

Manufacturer: Unisonic Technologies

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General Description

CMOS IC UTC 3521 PWM controller is designed for switching mode power supply for PCs.

It provides all the functions necessary to monitor and control the output of the power supply.

Remote ON/OFF control, power good circuitry, some protection

Overview

UNISONIC TECHNOLOGIES CO., LTD 3521 PWM CONTROLLER WITH SUPERVISORY CIRCUIT FOR SWITCHING POWER.

Key Features

  • ES.
  • Over-Voltage Protection for 3.3V, 5V and 12V.
  • Under-Voltage Detection for 3.3V, 5V and 12V.
  • Over-Power Protection.
  • Remote ON/OFF Function.
  • Power Good Circuitry.
  • Delay Time for PG Signal.
  • Delay Time for Over-Voltage and Under-Voltage Protection.
  • On-Chip Oscillator and Error Amplifier.

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