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WT7512 Datasheet Pc Power Supply Supervisor

Manufacturer: Weltrend Semiconductor

Overview:  Weltrend Semiconductor, Inc. ` WT7512 PC POWER SUPPLY SUPERVISOR Data Sheet REV. 1.10 June 26, 2000 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 WT7512 Rev. 1.

General Description

The WT7512 provides protection circuits, power good output (PGO), fault protection latch (FPL_N), and a protection detector function (PDON_N) control.

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

The Over / Under Voltage Detector (OVD / UVD) monitors 3.3V, 5V, 12V input voltage level.

Key Features

  • The Over / Under Voltage Detector (OVD / UVD) monitors 3.3V, 5V, 12V input voltage level.
  • Both of the power good output (PGO) and fault protection latch (FPL_N) are Open Drain Output.
  • 75 / 300 ms time delay for UVD.
  • 300 ms time delay for PGO.
  • 38 ms for PDON_N input signal De.
  • bounce.
  • 73 us for internal signal De.
  • glitches.
  • 2.4 ms time delay for PDON_N turn-off FPL_N. PIN.

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