The MAX77831 from Analog Devices is a DC to DC Converter with Input Voltage 2.5 to 16 V, Output Voltage 1 3 to 15 V, Operating Temperature -40 to 125 Degree C, Storage Temperature -65 to 150 Degree C. Tags: Wafer-level Packaging, Buck/Step down. More details for MAX77831 can be seen below.