The MAX38642 from Analog Devices is a DC to DC Converter with Input Voltage 1.8 to 5.5 V, Output Voltage 1 0.5 to 5 V, Output Current 1 350 mA, Operating Temperature -40 to 85 Degree C, Storage Temperature -65 to 150 Degree C. Tags: Wafer-level Packaging, Buck/Step down. More details for MAX38642 can be seen below.