LM3668 High Efficiency Dual Mode Single Inductor Buck-Boost DC/DC Converter

National Semiconductor

Description

www.DataSheet4U.com June 2007 LM3668 1A, High Efficiency Dual Mode Single Inductor Buck-Boost DC/DC Converter LM3668 1A, High Efficiency Dual Mode S.
The LM3668 is a synchornous buck or boost DC-DC converter optimized for powering low voltage circuits from a Li-Ion battery and input voltage rails be.

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Datasheet Specifications

Part number: LM3668
Manufacturer: National Semiconductor
File Size: 2.29 MB
Datasheet: LM3668_NationalSemiconductor.pdf
Description: High Efficiency Dual Mode Single Inductor Buck-Boost DC/DC Converter

Features

* 45µA typical quiescent current 1A maximum load current for VIN = 2.8V to 5.5V 800mA maximum load current for VIN = 2.7V 600mA maximum load current for VIN = 2.5V 2.2 MHz PWM fixed switching frequency (typ. ) Automatic PFM-P

Applications

* Handset Peripherals MP3 players Pre-Regulation for linear regulators PDAs Portable Hard Disk Drives WiMax Modems Typical Applications 20191401 Typical Application Circuit 20191425 Efficiency at 3.3V Output © 2007 National Semiconductor Corporation 201914 ww

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LM3668 High Efficiency Dual Mode Single Inductor Buck-Boost Converter National Semiconductor

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