AIC2857FGR8

2A 23V Synchronous Step-Down Converter, AIC2857F

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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 ....................................................................40C/W SOP-8 Exposed Pad* ...........................................15C/W Thermal Resistance Junction to Ambient SOP-8 ..................................................................160C/W SOP-8 Exposed Pad* ...........................................60C/W

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