GENERAL DESCRIPTION

The ADP1073 is part of a family of step-up/step-down switching regulators that operates from an input supply voltage of as little as 1.0 V. This extremely low input voltage allows the ADP1073 to be used in applications requiring use of a single cell battery as the primary power source.

FEATURES

Operates at Supply Voltages from 1.0 V to 30 V

Ground Current 100 mA

Works in Step-Up or Step-Down Mode

Very Few External Components Required

Low Battery Detector On-Chip

User-Adjustable Current Limit

Internal 1 A Power Switch

Fixed and Adjustable Output Voltage Versions

8-Lead DIP or SO-8 Package

APPLICATIONS

Single-Cell to 5 V Converters

Laptop and Palmtop Computers

Pagers

Cameras

Battery Backup Supplies

Cellular Telephones

Portable Instruments

4 mA–20 mA Loop Powered Instruments

Hand-Held Inventory Computers