Datasheet4U Logo Datasheet4U.com

UC3544, UC3543 Datasheet - Texas Instruments

UC3544 Power Supply Supervisory Circuit

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.

UC3544 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-etcTI.pdf

This datasheet PDF includes multiple part numbers: UC3544, UC3543. Please refer to the document for exact specifications by model.
UC3544 Datasheet Preview Page 2 UC3544 Datasheet Preview Page 3

Datasheet Details

Part number:

UC3544, UC3543

Manufacturer:

Texas Instruments ↗

File Size:

1.61 MB

Description:

Power supply supervisory circuit.

Note:

This datasheet PDF includes multiple part numbers: UC3544, UC3543.
Please refer to the document for exact specifications by model.

📁 Related Datasheet

UC3543 Power Supply Supervisory Circuit (Texas Instruments)

UC3500 HIGH EFFICIENCY VFM CONTROLLED STEP-UP DC/DC CONVERTER (UTC)

UC3501 LOW COST FLASHLIGHT LED DRIVE (UTC)

UC3524 ADVANCED REGULATING PULSE WIDTH MODULATORS (Texas Instruments)

UC3524A ADVANCED REGULATING PULSE WIDTH MODULATORS (Unitrode)

UC3525A SMPS Controller (Fairchild Semiconductor)

UC3525A Regulating Pulse Width Modulators (Texas Instruments)

UC3525B Regulating Pulse Width Modulators (Unitrode)

TAGS

UC3544 UC3543 Power Supply Supervisory Circuit Texas Instruments

UC3544 Distributor