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XR-25 - Power Supply Output Supervisory Circuit

Download the XR-25 datasheet PDF (XR-15 included). The manufacturer datasheet provides complete specifications, pinout details, electrical characteristics, and typical applications for power supply output supervisory circuit.

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.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (XR-15-Exar.pdf) that lists specifications for multiple related part numbers.

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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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