ACT4070**ICFeatures ﹡3A Output Current ﹡Up to 95% Efficiency ﹡4.5V to 30V Input Range ﹡10μA Shutdown Supply Current ﹡390kHz 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-8PP (Exposed Pad) Package 可替换:MP1583,MP1591 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