UC3543 Datasheet - Texas Instruments

Power Supply Supervisory Circuit

UC3543 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 Comparat

UC3543 General 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 undervoltage (U.V.) circuit which can be used to monitor eithe.

UC3543 Datasheet (1.61 MB)

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Datasheet Details

Part number:

UC3543

Manufacturer:

Texas Instruments ↗

File Size:

1.61 MB

Description:

Power supply supervisory circuit.
www.ti.com UC1543, UC1544 UC2543, UC2544 UC3543, UC3544 SLUS188A APRIL 1997 REVISED FEBRUARY 2007 Power Supply Supervisory Circui.

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UC3543 Power Supply Supervisory Circuit Texas Instruments

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