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.
75mm DFN Package
APPLICATIONS
n Handheld Products n Portable Instruments n Single-Cell Li-Ion/Li-Polymer Powe...