FUNCTIONAL BLOCK DIAGRAM Operates at Supply Voltages 2 V to 12 V Fixed 5 V, 12 V and Adjustable Output VIN SENSE Minimum External Components Required Ground Curren.

Cellular Telephones Single-Cell to 5 V Converters Laptop and Palmtop Computers Pagers OCameras Battery Backup Supplies B.

LIM AE The ADP1109 is a versatile step-up switching regulator. The L device requires only minimal external components to operate as E IC T a complete switching regulator. PR HN E The ADP1109-5 can deliver 100 mA at 5 V from a 3 V input, and ADP1109-1.

ADP1101

ADP1108

ADP1109A

ADP1110

ADP1111

ADP1121

ADP1131

ADP1132

ADP1141

ADP1147

ADP1147-3.3

ADP1147-5

ADP1148