The XR-3543 by Exar is a Power Supply Output Supervisory Circuit. Below is the official datasheet preview.
| Part number | XR-3543, XR-15 |
|---|---|
| Manufacturer | Exar |
| File Size | 318.67 KB |
| Description | Power Supply Output Supervisory Circuit |
| Datasheet |
 XR-15-Exar.pdf
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| Note |
This datasheet PDF includes multiple part numbers: XR-3543, XR-15. Please refer to the document for exact specifications by model. |
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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
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