LTC3127
FEATURES
1A Buck-Boost DC/DC Converter with Programmable
Input Current Limit
DESCRIPTION
n Programmable (0.
2A to 1A) ±4% Accurate Average Input Current Limit
n Regulated Output with Input
Voltages Above, Below or Equal to the Output
n 1.
8V to 5.
5V (Input) and 1.
8V to 5.
25V (Output)
Voltage Range
n 0.
6A Continuous Output Current: VIN 1.
8V n 1A Continuous Output Current: VIN 3V n Single Inductor n Synchronous Rectification: Up to 96% Efficiency n Burst Mode® Operation: IQ = 35μA (Pin Selectable) n Output Disconnect in Shutdown n 1μA Shutdown Current n Small, Thermally Enhanced 10-Lead (3mm × 3mm ×
0.
75mm) DFN and 12-Lead MSOP Packages
APPLICATIONS
n USB Powered GSM Modems n Sup...