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

Product Overview

National Semiconductor

Datasheet Details

Part number	LM3668
Manufacturer	National Semiconductor
File Size	2.29 MB
Description	High Efficiency Dual Mode Single Inductor Buck-Boost DC/DC Converter
Datasheet	LM3668 Datasheet
Additional preview pages of the LM3668 datasheet.

Product details

Description

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 between 2.5V and 5.5V.

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-PWM Mode or Forced PWM Mode Wide Input Voltage Range: 2.5V to 5.5V Output Voltage Range: 2.8V/3.3V Internal synchronous rectification for high efficiency Internal soft start: 600µs Maximum start-up tim.

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Published: Aug 14, 2007 |