GENERAL DESCRIPTION
The ADP3089 is a high frequency, non-synchronous PWM step-down DC-DC regulator with an integrated 1.5 A power switch in a space-saving chip scale package. It provides high efficiency, excellent dynamic response, and is very simple to use.

FEATURES
   1 MHz PWM Frequency
   Ultrasmall 8-lead 3×3 Sq. mm Chip Scale Package
   Automatic PWM to Power Saving Mode at Light Load
   Fully Integrated 1.5 A Power Switch
   3% Output Regulation Accuracy over Temperature,
      Line, and Load
   100% Duty Cycle Operation
   Simple Compensation
   Output Voltage: 1.25 V to 10 V
   Small Inductor and MLC Capacitors
   Low Quiescent Current while Pulse Skipping
   Thermal Shutdown
   Fully Integrated Soft Start
   Cycle-by-cycle Current Limit

APPLICATONS
   PDAs and Palmtop Computers
   Notebook Computers
   PCMCIA Cards
   Bus Products
   Portable Instruments
   Industrial Systems