Analog Devices Inc.

High Efficiency, Low Noise, Inductorless Step-Down DC/DC Converter Features: 2.7V to 5.5V Input Voltage Range No Inductors Li-Ion (3.6V) to 1.5V with 81% Efficiency Low Noise Constant Frequency Operation Output Voltages: 1.5V ±4%, 1.2V ±4% Output Current: 250mA Shutdown Disconnects Load from VIN Low Operating Current: IQ = 35µA Low Shutdown Current: ISD <1µA Oscillator Frequency = 1.5MHz Soft-Start Limits Inrush Current at Turn-On Short-Circuit and Overtemperature Protected Low Profile (1mm) ThinSOT Package

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