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WT7520 Datasheet PC Power Supply PWM

Manufacturer: Weltrend Semiconductor

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General Description

The WT7520 is a pulse–width modulation (PWM) control circuit with complete protection circuits for used in the SMPS (Switched Mode Power Supply).

It contains various functions, which are Over Voltage Protection, Under Voltage Protection, Power Good Output (PGO), Remote On/Off control and etc.

It can minimize external components of switching power supply systems in personal computer.

Overview

www.DataSheet4U.com Weltrend Semiconductor, Inc.

WT7520 PC POWER SUPPLY PWM SUPERVISOR Data Sheet REV.

0.9 February 21, 2005 The information in this document is subject to change without notice.

Key Features

  • Complete PWM Control and Protection Circuitry.
  • Over Voltage Protection for 3.3V / 5V / 12V / PT.
  • Under Voltage Protection for 3.3V / 5V / 12V.
  • 280ms PG Time Delay.
  • Power Good Output is Open Drain Output.
  • PWM Control Output are Open Drain Output.
  • 280 mS Time Delay for UVP.
  • Remote ON/OFF function De.
  • bounce Time.
  • Soft-Start function built-in.
  • 16.
  • Pin Dual In.
  • line Package PIN.

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