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3513 - PC POWER SUPPLY SUPERVISOR

General Description

PSONB control for PC switching power supply systems.

Key Features

  • S.
  • OVP/UVP monitors 3.3V, 5V, 12V input voltage level.
  • OCP monitors IS33, IS5, IS12 input current sense.
  • Fault protection output (FPOB) with Open Drain Output stage.
  • Power good output (PGO) with Open Drain Output stage.
  • 38ms de-bounce time for PSONB input signal.
  • 300ms time delay from PGI to PGO.
  • 2.4ms time delay for PSONB to turn off FPOB.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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UNISONIC TECHNOLOGIES CO., LTD 3513 PC POWER SUPPLY SUPERVISOR CMOS IC  DESCRIPTION The UTC 3513 is designed to provide protection circuits, power DIP-16 good output (PGO) indicator, fault protection output (FPOB) and a PSONB control for PC switching power supply systems. The protection circuits include over voltage protection (OVP), under voltage protection (UVP) and over current protection(OCP) monitoring for 3.3V, 5V and two 12V. When 3.3V, 5V or 12V voltage is decreasing to 2.68V, 4.3V and 9.9V respectively, the under voltage protection (UVP) function will be SOP-16 enabled. FPO will be set to high to turn off the PWM controller IC. Toggling the PSONB from low to high will reset the fault protection latch.