LTC3670 Datasheet | Linear Technology

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 × 0.75mm DFN Package APPLICATIONS n Handheld Products n Portable Instruments n Single-Cell Li-Ion/Li-Polymer...