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WT7502V - PC POWER SUPPLY SUPERVISOR

General Description

The WT7502V 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 V33, V5 and VCC input voltage level.

Overview

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

` WT7502V PC POWER SUPPLY SUPERVISOR Data Sheet REV.

1.01 November 30, 2010 The information in this document is subject to change without notice.

Key Features

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