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LTC3670 - Monolithic 400mA Buck Regulator

Description

n Triple Output Supply from a Single 2.5V to 5.5V Input n 400mA Buck DC/DC Plus Dual 150mA LDOs in One IC n Outputs Regulate Down to 0.8V n ±2.5% Reference Accuracy n Constant-Frequency 2.25MHz Operation n Burst Mode® Operation for High Efficiency at Light Loads; IQ = 70µA, All Outputs Enable

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LTC3670 Monolithic 400mA Buck Regulator with Dual 150mA LDOs in 3mm × 2mm DFN FEATURES DESCRIPTION n Triple Output Supply from a Single 2.5V to 5.5V Input n 400mA Buck DC/DC Plus Dual 150mA LDOs in One IC n Outputs Regulate Down to 0.8V n ±2.5% Reference Accuracy n Constant-Frequency 2.25MHz Operation n Burst Mode® Operation for High Efficiency at Light Loads; IQ = 70µA, All Outputs Enabled n Independent Enable Pin for Each Output n Current Mode Operation for Excellent Line and Load Transient Response n Internal Soft-Start for Each Output n Tiny 12-Lead 3mm × 2mm × 0.
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