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 process for operation with input voltage up to 32V.
   
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