ACT4060A

ACT4060A Rev 1, 25-Jun-09 Wide Input 2A Step Down Converter FEATURES 2A Output Current Up to 96% Efficiency 4.5V to 24V Input Range 10µA Shutdown Supply Current 400kHz 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 GENERAL DESCRIPTION The ACT4060A is a current-mode step-down DC/DC converter that provides up to 2A of output current at 400kHz switching frequency. The device utilizes Active-Semi’s proprietary high voltage process for operation with input voltages up to 24V. The ACT4060A provides fast transient response and eases loop stabilization ...