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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 Current: IIN = 35µA (Burst Mode®
Operation) ■ Super Burst Operating Current: IIN = 10µA ■ Low Shutdown Current: IIN = 0.