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WT751002S Datasheet Pc Power Supply Supervisor

Manufacturer: Weltrend Semiconductor

Overview: Weltrend Semiconductor, Inc. ` WT751002S PC POWER SUPPLY SUPERVISOR Data Sheet REV. 1.00 November 04, 2005 The information in this document is subject to change without notice. ©Weltrend Semiconductor, Inc. All Rights Reserved. 24 2 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..tw Free Datasheet http://../ WT751002S Rev. 1.

General Description

The WT751002S provides protection circuits, power good output (PGO), fault protection latch (FPOB), and a protection detector function (PSONB) control.

It can minimize external ponents of switching power supply systems in personal puter.

The Over Voltage Detector (OVD) monitors V33, V5 and VCC input voltage level.

Key Features

  • The Over Voltage Detector (OVD) monitors V33, V5 and VCC input voltage.
  • The Under Voltage Detector (UVD) monitors V33 and V5 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 input signal De.
  • bounce.
  • 73 us for PGI and UVD internal signal De.
  • glitches.
  • 55 us for OVD internal sign.

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