Dual Synchronous, Fixed /Adjustable Output, 2.25MHz Step-Down DC/DC Regulator DESCRIPTION n High Efficiency: Up to 95% n 1.8V/800mA Fixed Output and 400mA Adjustable Out.

n PDAs/Palmtop PCs n Digital Cameras n Cellular Phones n Portable Media Players n PC Cards n Wireless and DSL Modems Th.

n High Efficiency: Up to 95% n 1.8V/800mA Fixed Output and 400mA Adjustable Output Voltage n Only 40μA Quiescent Current (Both Channels) n 2.25MHz Constant-Frequency Operation n High Switch Current Limits: 1.2A and 0.7A n No Schottky Diodes Required .

LTC3548-1

LTC3548

LTC3548A

LTC3541

LTC3541-1

LTC3541-2

LTC3541-3

LTC3542

LTC3542-1

LTC3543

LTC3544

LTC3544B

LTC3545