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UC1544 - Power Supply Supervisory Circuit

Download the UC1544 datasheet PDF (UC1543 included). The manufacturer datasheet provides complete specifications, pinout details, electrical characteristics, and typical applications for power supply supervisory circuit.

Description

The monolithic integrated circuits contain all the functions necessary to monitor and control the output of a sophisticated power supply system.

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).

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (UC1543-etcTI.pdf) that lists specifications for multiple related part numbers.

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Full PDF Text Transcription

Click to expand full text
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 undervoltage (U.V.
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