Datasheet4U Logo Datasheet4U.com

UTC3521 - CMOS IC

General Description

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.

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.

📥 Download Datasheet

📁 Similar Datasheet

Part Number Description Manufacturer
UTC3525 REGULATING PWM IC UMW
UTC3525 VOLTAGE-MODE PWM CONTROLLER YOUWANG
UTC31001 TELEPHONE TONE RINGER Unisonic Technologies
UTC31002 TELEPHONE TONE RINGER Unisonic Technologies
UTC31002A TELEPHONE TONE RINGER Unisonic Technologies

Other Datasheets by Unisonic Technologies

Part Number Description
UTC3510 PC POWER SUPPLY SUPERVISORS
UTC3511 CMOS IC
UTC3563 HIGH-EFFICIENCY DC/DC CONVERTER
UTC358 DUAL OPERATIONAL AMPLIFIERS
UTC1616 6 TONES SIREN/ALARM SOUND GENERATOR

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
UNISONIC TECHNOLOGIES CO., LTD 3521 PWM CONTROLLER WITH SUPERVISORY CIRCUIT FOR SWITCHING POWER SUPPLY „ 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 features against over-voltage and over-power are implements. DIP-16 „ FEATURES * Over-Voltage Protection for 3.3V, 5V and 12V * Under-Voltage Detection for 3.