GENERAL DESCRIPTION
The ADP1173 is part of a family of step-up/step-down switching regulators that operates from an input supply voltage of as little as 2 V to 12 V in step-up mode and to 30 V in step-down mode.

FEATURES
    Operates From 2.0 V to 30 V Input Voltages
    Only 110 mA Supply Current (Typical)
    Step-Up or Step-Down Mode Operation
    Very Few External Components Required
    Low Battery Detector On-Chip
    User-Adjustable Current Limit
    Internal 1 A Power Switch
    Fixed or Adjustable Output Voltage Versions
    8-Pin DIP or SO-8 Package

APPLICATIONS
    Notebook and Palmtop Computers
    Cellular Telephones
    Flash Memory Vpp Generators
    3 V to 5 V, 5 V to 12 V Converters
    9 V to 5 V, 12 V to 5 V Converters
    Portable Instruments
    LCD Bias Generators