ACT4075

ACT4075 Rev PrA, 13-Aug-07 Advanced Product Information – All Information Subject to Change Wide Input 2.5A Step Down Converter 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 and Routers GENERAL DESCRIPTION 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...