GENERAL DESCRIPTION
The ADP1108 is a highly versatile micropower switch-mode dc-dc converter that operates from an input voltage supply as low as 2.0 V and typically starts up from 1.8 V.

FEATURES
    Operates at Supply Voltages From 2.0 V to 30 V
    Consumes Only 110 mA Supply Current
    Step-Up or Step-Down Mode Operation
    Minimum External Components Required
    Low Battery Detector Comparator 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/Palm Top Computers
    3 V to 5 V, 5 V to 12 V Converters
    9 V to 5 V, 12 V to 5 V Converters
    LCD Bias Generators
    Peripherals and Add-On Cards
    Battery Backup Supplies
    Cellular Telephones
    Portable Instruments