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UC2543

Part Number	UC2543
Manufacturer	Texas Instruments
Description	Power Supply Supervisory Circuit
Published	Oct 1, 2019
Detailed Description	www.ti.com UC1543, UC1544 UC2543, UC2544 UC3543, UC3544 SLUS188A – APRIL 1997 – REVISED FEBRUARY 2007 Power Supply Supe...
Datasheet	UC2543 PDF File

Overview

www.
ti.
com UC1543, UC1544 UC2543, UC2544 UC3543, UC3544 SLUS188A – APRIL 1997 – REVISED FEBRUARY 2007 Power Supply Supervisory Circuit FEATURES • Includes Over-Voltage, Under-Voltage, and Current Sensing Circuits • Internal 1% Accurate Reference • Programmable Time Delays • SCR “Crowbar” Drive of 300 mA • Remote Activation Capability • Optional Over-Voltage Latch • Uncommitted Comparator Inputs for Low Voltage Sensing (UC1544 Series Only) DESCRIPTION The monolithic integrated circuits contain all the functions necessary to monitor and control the output of a sophisticated power supply system.
Over-voltage (O.
V.
) sensing with provision to trigger an external SCR “crowbar” shutdown; an under...

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