General Description

The RT8288A is a synchronous step-down regulator with an internal power MOSFET. It achieves 4A of continuous output current over a wide input supply range with excellent load and line regulation. Current mode operation provides fast transient response and eases loop stabilization.

Features

4A Output Current

Internal Soft-Start

120mΩ/40mΩ Internal Power MOSFET Switch

Internal Compensation Minimizes External Parts Count

Fixed 500kHz Frequency

Thermal Shutdown Protection

Cycle-by-Cycle Over Current Protection

Wide 4.5V to 21V Operating Input Range

Adjustable Output from 0.808V to 15V

Available in an SOP-8 (Exposed Pad) Package

RoHS Compliant and Halogen Free

Applications

Distributive Power Systems

Battery Charger

DSL Modems

Pre-Regulator for Linear Regulators