GENERAL DESCRIPTION

The ACT4065 is a current-mode step-down DC-DC converter that generates up to 2A output current at 200kHz switching frequency. The device utilizes Active-Semi’s proprietary ISOBCD30 process for operation with input voltage up to 28V.

FEATURES

2A Output Current

Up to 95 Efficiency

Up to 28V Input Range

8µA Shutdown Supply Current

200kHz Switching Frequency

Adjustable Output Voltage

Cycle-by-Cycle Current Limit Protection

Thermal Shutdown Protection

Frequency Foldback at Short Circuit

Stability with Wide Range of Capacitors, Including Low ESR Ceramic Capacitors

SOP-8 Package

APPLICATIONS

TFT LCD Monitors

Portable DVDs

Car-Powered or Battery-Powered Equipments

Set-Top Boxes

Telecom Power Supplies

DSL and Cable Modems and Routers

Termination Supplies