Datasheet Summary
Monolithic Fixed-Output 400mA Buck Regulator with Dual 150mA LDOs in 2mm × 2mm DFN
Features n Triple Output Supply From a Single 2.9V to 5.5V Input n Buck DC/DC: Fixed 1.2V Output, Up to 400mA n LDO1: Fixed 2.8V Output, Up to 150mA n LDO2: Fixed 1.8V Output, Up to 150mA n ±2.5% Reference Accuracy n Constant-Frequency 2.25MHz Operation n Minimum External ponent Count n Current Mode Operation for Excellent Line and Load
Transient Response n Internal Soft-Start for Each Output n Single Enable Pin Turns On/Shuts Down All Three
Outputs n Tiny 2mm × 2mm × 0.75mm DFN Package
APPLICATIONS n DMB and DVB-H Cellphones n Handheld Products (PDA, PMP, GPS) n Multivoltage Power for Digital...