WT7502 Datasheet (Weltrend Semiconductor) - PC POWER SUPPLY SUPERVISOR

WT7502, PC POWER SUPPLY SUPERVISOR

The WT7502 provides protection circuits, power good output (PGO), fault protection latch (FPOB), and a protection detector function (PSONB) control.

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

The Over / Under Voltage Detector (OVD / UVD) monitors V33,

www.DataSheet.co.kr Weltrend Semiconductor, Inc.

` WT7502 PC POWER SUPPLY SUPERVISOR Data Sheet REV.

1.01 Feb.

26, 2008 The information in this document is subject to change without notice.

©Weltrend Semiconductor, Inc.

242 2F, No.

24, Industry E.

9th RD., Science-Based Industrial Park, Hsin-Chu, Taiwan TEL:886-3-5780241 FAX:886-3-5794278.5770419 Email:support@weltrend.com.tw Datasheet pdf - http://www.DataSheet4U.net/ www.DataSheet.co.kr WT7502 Rev.

1.01 GENERAL DESCR

WT7502 Features

* The Over / Under Voltage Detector (OVD / UVD) monitors V33, V5 and VCC input voltage.

* Both of the power good output (PGO) and fault protection latch (FPOB) are Open Drain Output.

* 75 ms time delay for UVD.

* 300 ms time delay for PGO.

* 38 ms for PSONB in