LM2940 - 1A Low Dropout Regulator

Product Overview

National Semiconductor

Part number	LM2940
Manufacturer	National Semiconductor
File Size	409.32 KB
Description	1A Low Dropout Regulator
Datasheet	LM2940 Datasheet
Note	This datasheet PDF includes multiple part numbers: LM2940, LM2. Please refer to the document for exact specifications by model.
Additional preview pages of the LM2940 datasheet.

The LM2940/LM2940C positive voltage regulator

the ability to source 1A of output current with a dropout voltage of typically 0.5V and a maximum of 1V over the entire temperature range. Furthermore, a quiescent current reduction circuit has been included which reduces the ground current when the differential between the input voltage and the output voltage exceeds approximately 3V. The quiescent current with 1A of output current and an input-output differential of 5V is therefore only 30 mA. Higher quiescent currents only exist when the regu.

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Published: Mar 22, 2005 |