LTC3251-1.2 PDF File ( Datasheet )

U U LTC3251, LTC3251-1.2, LTC3251-1.5 500mA High Efficiency, Low Noise, Inductorless Step-Down DC, DC Converter FEATURES - Up to 500mA Output Current - No Inductors - 2.7V to 5.5V Input Voltage Range - 2x Efficiency Improvement Over LDOs - 2-Phase, Spread Spectrum Operation for Low Input and Output Noise - Shutdown Disconnects Load from VIN - Adjustable Output Voltage Range: 0.9V to 1.6V Fixed Output Voltages: 1.2V, 1.5V - Super Burst, Burst and Burst Defeat Operating Modes - Low Operating C