WT7522 Datasheet POWER SUPPLY PWM SUPERVISOR

Manufacturer: Weltrend Semiconductor

WT7522 power supply pwm supervisor by Weltrend Semiconductor - Datasheet Preview

Datasheet Details

Part number	WT7522
Manufacturer	Weltrend Semiconductor
File Size	136.63 KB
Description	POWER SUPPLY PWM SUPERVISOR
Download	WT7522 Download (PDF)

General Description

The WT7522 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 (PG), Remote On/Off control, Opamp and etc.

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

Overview

偉詮電子股份有限公司 Weltrend Semiconductor, Inc.

WT7522 POWER SUPPLY PWM SUPERVISOR Data Sheet Version 1.10 April 29, 2009 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 / V12 / PT.
3.3V / 5V / 12V Under Voltage Warning for PG Low.
Under Voltage Protection for 3.3V / 5V / V12.
Two Opamp loop function.
300ms PG Time Delay.
Power Good Output is Open Drain Output.
Push-pull PWM Output.
Remote ON/OFF function De.
bounce Time.
Soft-Start function built-in.
20.
Pin Dual In.

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