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LTC3440

Part Number	LTC3440
Manufacturer	Linear Technology
Description	Buck-Boost DC/DC Converter
Published	Mar 27, 2005
Detailed Description	LTC3440 Micropower Synchronous Buck-Boost DC/DC Converter Features nn Single Inductor nn Fixed Frequency Operation with...
Datasheet	LTC3440 PDF File

Overview

LTC3440 Micropower Synchronous Buck-Boost DC/DC Converter Features nn Single Inductor nn Fixed Frequency Operation with Battery Voltages Above, Below or Equal to the Output nn Synchronous Rectification: Up to 96% Efficiency nn 25µA Quiescent Current in Burst Mode® Operation nn Up to 600mA Continuous Output Current nn No Schottky Diodes Required (VOUT < 4.
3V) nn VOUT Disconnected from VIN During Shutdown nn 2.
5V to 5.
5V Input and Output Range nn Programmable Oscillator Frequency from 300kHz to 2MHz nn Synchronizable Oscillator nn Burst Mode Enable Control nn <1µA Shutdown Current nn Small Thermally Enhanced 10-Pin MSOP and (3mm × 3mm) DFN Packages Applications nn Palmtop Computers nn Handhel...

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