The MAX17673A from Analog Devices is a DC to DC Converter with Input Voltage 4.5 to 60 V, Output Voltage 1 0.9 to 5.5 V, Output Current 1 1500 mA, Output Voltage 2 0.75 to 4.8 V, Output Current 2 1000 mA. Tags: Surface Mount, Buck/Step down. More details for MAX17673A can be seen below.