L431L - 1.24V Low-Voltage Adjustable Precision Shunt Regulator

This page provides the datasheet information for the L431L, a member of the L431L_NIKO 1.24V Low-Voltage Adjustable Precision Shunt Regulator family.

Datasheet Summary

Description

The L431L is a three-terminal adjustable shunt regulator utilizing an accurate 1.24V band gap reference.

The output voltage can be set to any value between 1.24V (VREF) to 18V with two external resistors as shown in the typical application circuit.

Features

L431L.

NIKO-SEM

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Datasheet Details

Part number	L431L
Manufacturer	NIKO-SEM
File Size	579.90 KB
Description	1.24V Low-Voltage Adjustable Precision Shunt Regulator
Datasheet	L431L Datasheet
Additional preview pages of the L431L datasheet.

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Full PDF Text Transcription

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NIKO-SEM 1.24V Low-Voltage Adjustable Precision Shunt Regulator FEATURES L431L GENERAL DESCRIPTION The L431L is a three-terminal adjustable shunt regulator utilizing an accurate 1.24V band gap reference. The output voltage can be set to any value between 1.24V (VREF) to 18V with two external resistors as shown in the typical application circuit. The device exhibit a wide operating current range of 0.2 to 100 mA with a typical dynamic impedance of 0.25 Ω . Active output circuitry provides a very sharp turn-on characteristic, making the L431L excellent replacements for low-voltage zener diodes in many applications, including on-board regulation and adjustable power supplies. When used with an opto-coupler, the L431L is ideal voltage reference in isolated feedback circuits for 3.

Published: Jun 26, 2011 |