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LM2757

Part Number	LM2757
Manufacturer	National Semiconductor
Description	Switched Capacitor Boost Regulator
Published	Jun 8, 2009
Detailed Description	LM2757 Switched Capacitor Boost Regulator with High Impedance Output in Shutdown October 2007 LM2757 Switched Capacito...
Datasheet	LM2757 PDF File

Overview

LM2757 Switched Capacitor Boost Regulator with High Impedance Output in Shutdown October 2007 LM2757 Switched Capacitor Boost Regulator with High Impedance www.
datasheet4u.
com Output in Shutdown General Description The LM2757 is a constant frequency pre-regulated switchedcapacitor charge pump that operates at 1.
25 MHz to produce a low-noise regulated output voltage.
The device can be configured to provide up to 100 mA at 4.
1V, 110 mA at 4.
5V, or 180 mA at 5V.
Excellent efficiency is achieved without the use of an inductor by operating the charge pump in a gain of either 3/2 or 2 according to the input voltage and output voltage option selection.
The LM2757 presents a high impedance at the ...

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