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XR-25 - Power Supply Output Supervisory Circuit

Download the XR-25 datasheet PDF. This datasheet also covers the XR-15 variant, as both devices belong to the same power supply output supervisory circuit family and are provided as variant models within a single manufacturer datasheet.

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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Other Datasheets by Exar (now MaxLinear)

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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.

View original datasheet text
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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