2A 23V Synchronous Step-Down Converter, AIC2857F
2A 23V Synchronous Step-Down Converter FEATURES 2A Continuous Output Current Programmable Soft Start 130mΩ Internal Power MOSFET Switches Stable with Low ESR Output Ceramic Capacitors Up to 93% Efficiency <1µA Supply Current in Shutdown Mode Fixed 340KHz Frequency Thermal Shutdown Cycle by Cycle Over Current Protection Wide 4.75 to 23V Operating Input Range Output Adjustable from 0.925V to 12V Under Voltage Lockout ABSOLUTE MAXIMUM RATINGS Input Voltage (VIN)............................................................................................................... -0.3V to 26V SW pin Voltage (VSW).................................................................................................... -1V to VIN +0.3V BS Pin Voltage.........................................................................................................VSW-0.3V toVSW+6V EN Pin Voltage......................................................................................................................-0.3V to VIN All Other Pins Voltage........................................................................................................... -0.3V to 6V Operating Ambient Temperature Range TA......................................................................... -40ºC~85ºC Operating Maximum Junction Temperature TJ ............................................................................. 150ºC Storage Temperature Range TSTG ..................................................................................... -65ºC~150ºC Lead Temperature (Soldering 10 Sec.) ........................................................................................ 260ºC Thermal Resistance Junction to Case SOP-8 ....................................................................40C/W SOP-8 Exposed Pad* ...........................................15C/W Thermal Resistance Junction to Ambient SOP-8 ..................................................................160C/W SOP-8 Exposed Pad* ...........................................60C/W