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XR-3543 - Power Supply Output Supervisory Circuit

This page provides the datasheet information for the XR-3543, a member of the XR-15 Power Supply Output Supervisory Circuit family.

Datasheet Summary

Description

The XR-1543/2543/3543 are monolithic integrated circuits that contain all the functions necessary to monitor and control the output of a power supply system.

Features

  • seR.

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Datasheet preview – XR-3543

Datasheet Details

Part number XR-3543
Manufacturer Exar
File Size 318.67 KB
Description Power Supply Output Supervisory Circuit
Datasheet download datasheet XR-3543 Datasheet
Additional preview pages of the XR-3543 datasheet.

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Full PDF Text Transcription

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XR-15/25/3543 Power Supply Output Supervisory Circuit GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM The XR-1543/2543/3543 are monolithic integrated circuits that contain all the functions necessary to monitor and control the output of a power supply system. Included in the 16-Pin dual-in-line package is a voltage reference, an operational amplifier, voltage comparators, and a high-current SCR trigger circuit. The functions performed by this device include over-voltage senSing, under-voltage sensing and current limiting, with provisions for triggering an external SCR "crowbar." The internal voltage reference on the XR-1543 is guaranteed for an accuracy of ± 1% to eliminate the need for external potentiometers.
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