ACT4012 Datasheet | Active-Semi

Data Sheet Rev 1, 10/2006 Wide Input 1.5A Step Down Converter Features - - - - - - - - - - - 1.5A Output Current Up to 94% Efficiency Up to 20V 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 GENERAL DESCRIPTION The ACT4012 is a current-mode step-down DC-DC converter that generates up to 1.5A output current at 400kHz switching frequency. The device utilizes Active-Semi’s proprietary ISOBCD20 process for operation with input voltage up to...