GENERAL DESCRIPTION

The ACT4072 is a current-mode step-down DC/DC converter that generates up to 2A output current at 420kHz switching frequency. The device utilizes Active-Semi’s proprietary ISOBCD30 process for

operation with input voltage up to 30V. 

FEATURES

• 2A Output Current

• Up to 95% Efficiency

• Up to 30V Input Range

• 6µA Shutdown Supply Current

• 420kHz Switching Frequency

• Adjustable Output Voltage

• Cycle-by-Cycle Current Limit Protection

• Thermal Shutdown Protection

• Frequency Fold-Back at Short Circuit

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

• SOP-8 Package



APPLICATIONS

• TFT LCD Monitors or Televisions and HDTV

• Portable DVD Players

• Car-Powered or Battery-Powered Equipment

• Set-Top Boxes

• Telecom Power Supplies

• DSL and Cable Modems and Routers