LTC3672B-1 - Monolithic Fixed-Output 400mA Buck Regulator

Product Overview

Linear Technology

Datasheet Details

Part number	LTC3672B-1
Manufacturer	Linear Technology
File Size	172.21 KB
Description	Monolithic Fixed-Output 400mA Buck Regulator
Datasheet	LTC3672B-1 Datasheet
Additional preview pages of the LTC3672B-1 datasheet.

Product details

Description

The LTC®3672B-1 is a triple power supply composed of a 400mA synchronous buck regulator and two 150mA lowdropout linear regulators (LDOs), where one of the LDOs can be powered from the buck output to improve efﬁciency.

Features

Triple Output Supply From a Single 2.9V to 5.5V Input.
Buck DC/DC: Fixed 1.8V Output, Up to 400mA.
LDO1: Fixed 1.2V Output, Up to 150mA.
LDO2: Fixed 2.8V Output, Up to 150mA.
±2.5% Reference Accuracy.
Constant Frequency 2.25MHz Operation.
Minimum External Component Count.
Current Mode Operation for Excellent Line and Load Transient Response.
Internal Soft-Start for Each Output.
Single Enable Pin Turns On/Shuts Down All Three Outputs.
Tiny 2.

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Published: Aug 13, 2007 |