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LM3940

Part Number	LM3940
Manufacturer	National Semiconductor
Description	1A Low Dropout Regulator
Published	Mar 22, 2005
Detailed Description	www.DataSheet4U.com LM3940 1A Low Dropout Regulator for 5V to 3.3V Conversion May 1999 LM3940 1A Low Dropout Regulato...
Datasheet	LM3940 PDF File

Overview

www.
DataSheet4U.
com LM3940 1A Low Dropout Regulator for 5V to 3.
3V Conversion May 1999 LM3940 1A Low Dropout Regulator for 5V to 3.
3V Conversion General Description The LM3940 is a 1A low dropout regulator designed to provide 3.
3V from a 5V supply.
The LM3940 is ideally suited for systems which contain both 5V and 3.
3V logic, with prime power provided from a 5V bus.
Because the LM3940 is a true low dropout regulator, it can hold its 3.
3V output in regulation with input voltages as low as 4.
5V.
The T0-220 package of the LM3940 means that in most applications the full 1A of load current can be delivered without using an additional heatsink.
The surface mount TO-263 package uses minimum boar...

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