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Partname:LM3940IS-3.3
Description:IA Low Dropout Regulator for 5V to 3.3V Conversion
Manufacturer:National Semiconductor
Package:TO 263
Pins:3
Datasheet:PDF (291K).
Click here to download *)

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.

Click here to download LM3940IS-3.3 Datasheet
Click here to download LM3940IS-3.3 Datasheet
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