The MAXM17503 from Analog Devices is a DC to DC Converter with Input Voltage 4.5 to 60 V, Output Voltage 1 0.9 to 12 V, Output Current 1 2500 mA, Operating Temperature -40 to 125 Degree C, Storage Temperature -65 to 125 Degree C. Tags: Through Hole, Buck/Step down. More details for MAXM17503 can be seen below.