GENERAL DESCRIPTION
The ADP1111 is part of a family of step-up/step-down switching regulators that operates from an input voltage supply of 2 V to 12 V in step-up mode and up to 30 V in step-down mode. The ADP1111 can be programmed to operate in step-up/stepdown or inverting applications with only 3 external components.
   
FEATURES
    Operates from 2 V to 30 V Input Voltage Range
    72 kHz Frequency Operation
    Utilizes Surface Mount Inductors
    Very Few External Components Required
    Operates in Step-Up/Step-Down or Inverting Mode
    Low Battery Detector
    User Adjustable Current Limit
    Internal 1 A Power Switch
    Fixed or Adjustable Output Voltage
    8-Pin DIP or SO-8 Package
   
APPLICATIONS
    3 V to 5 V, 5 V to 12 V Step-Up Converters
    9 V to 5 V, 12 V to 5 V Step-Down Converters
    Laptop and Palmtop Computers
    Cellular Telephones
    Flash Memory VPP Generators
    Remote Controls
    Peripherals and Add-On Cards
    Battery Backup Supplies
    Uninterruptible Supplies
    Portable Instruments