The MAX17634C from Analog Devices is a DC to DC Converter with Input Voltage 4.5 to 36 V, Output Voltage 1 0.9 to 32.4 V, Output Current 1 4250 mA, Operating Temperature -40 to 125 Degree C, Storage Temperature -65 to 150 Degree C. Tags: Surface Mount, Buck/Step down. More details for MAX17634C can be seen below.