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LTC3446

Part Number	LTC3446
Manufacturer	Linear Technology
Description	Monolithic Buck Regulator
Published	Mar 25, 2010
Detailed Description	Features n High Efficiency Triple Step-Down Outputs from a Single Input Supply n 1A Synchronous Buck Regulator Provides ...
Datasheet	LTC3446 PDF File

Overview

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 Automatic Burst Mode® Operation for High Efficiency at Light Loads n ±1.
5% Reference Accuracy n Overtemperature Protection n Thermally Enhanced 4mm × 3mm 14-Pin DFN Package Applications n Lo...

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