ACT4075 - Active-Semi

ACT4075 Wide Input 2.5A Step Down Converter

The ACT4075 is a current-mode step-down DC/DC converter that generates up to 2.5A output current at 410kHz switching frequency. The device utilizes Active-Semi’s proprietary ISOBCD30 proces.

Features

 2.5A Output Current
 Up to 95% Efficiency
 4.5V to 32V Input Range
 6µA Shutdown Supply Current
 410kHz Switching Frequency
 Adjustable Output Voltage
 Cycle-by-Cycle Current Limit Protection
 Thermal Shutdown Protection
 Internal Soft Start Function
 Frequency Fold Back at Short Circuit
 Stability with Wide Range of Capacitors, Including Low ESR Ceramic Capacitors
 SOP-8/EP (Exposed Pad) 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 a.