This part is a kind of semiconductor called WT7527.

Function of this product has PC Power Supply Supervisor.

Manufacturers : Weltrend

Image and pinout :

Some of the text within the PDF file :

偉詮電子股份有限公司 Weltrend Semiconductor, Inc. WT7527 PC POWER SUPPLY SUPERVISOR Data Sheet Version 1.20 June 22, 2007 The information in this document is subject to change without notice. Weltrend Semiconductor, Inc. All Rights Reserved. 新竹市科學工業園區工業東九路24號2樓 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 WT7527 Rev. 1.20 GENERAL DESCRIPTION The WT7527 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 Voltage Detector (OVD) monitors VX, V33, V5, V12A [ ... ]

WT7527 PDF Datasheet Download