SPX3940 Datasheet PDF - Exar 1A Low Dropout Voltage Regulator Specs

SPX3940 - 1A Low Dropout Voltage Regulator

Datasheet Summary

Description

The SPX3940 is a 1A, accurate voltage regulator with a low drop out voltage of 280mV (typical) at 1A.

These regulators are specifically designed for low voltage applications that require a low dropout voltage and a fast transient response.

Features

Guaranteed 1.5A Peak Current.
1% Output Accuracy SPX3940A.
Low Quiescent Current.
Low Dropout Voltage of 280mV at 1A.
Extremely Tight Load and Line Regulation.
Extremely Fast Transient Response.
Reverse-battery Protection.
Internal Thermal Protection.
Internal Short Circuit Current Limit.

Datasheet Details

Part number	SPX3940
Manufacturer	Exar
File Size	1.50 MB
Description	1A Low Dropout Voltage Regulator
Datasheet	SPX3940 Datasheet
Additional preview pages of the SPX3940 datasheet.

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Full PDF Text Transcription

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February 2012 GENERAL DESCRIPTION The SPX3940 is a 1A, accurate voltage regulator with a low drop out voltage of 280mV (typical) at 1A. These regulators are specifically designed for low voltage applications that require a low dropout voltage and a fast transient response. They are fully fault protected against overcurrent, reverse battery, and positive and negative voltage transients. The SPX3940 is offered in 3-pin SOT223 and TO-263 packages. For a 3A version, refer to the SPX29300 data sheet. SPX3940 1A Low Dropout Voltage Regulator Rev. 1.0.0 APPLICATIONS  Power Supplies  LCD Monitors  Portable Instrumentation  Medical and Industrial Equipments FEATURES  Guaranteed 1.

Published: Mar 23, 2017 |