LTC3446 - Monolithic Buck Regulator

Product Overview

Linear Technology

Datasheet Details

Part number	LTC3446
Manufacturer	Linear Technology
File Size	283.31 KB
Description	Monolithic Buck Regulator
Datasheet	LTC3446 Datasheet
Additional preview pages of the LTC3446 datasheet.

Product details

Description

The LTC®3446 combines a synchronous buck DC/DC converter with two very low dropout (VLDO) linear regulators to provide up to three stepped-down output voltages from a single input voltage.

Features

n High Efficiency Triple Step-Down Outputs from a Single Input Supply n 1A Synchronous Buck Regulator Provides Main Step-Down Output and Powers Two 300mA VLDO™ Linear Regulators n Output Voltages as Low as 400mV (VLDO Outputs) n Power Good Output n Input Voltage Range: 2.7V to 5.5V n Independent Enable Pin for Each Supply n Low (140µA Typ) No-Load Quiescent Current with All Outputs Enabled n Constant Frequency Current Mode Operation n 2.25MHz Switching Frequency Uses Small Inductors n Defeatable.

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Published: Mar 25, 2010 |