The MAXM17624 from Analog Devices is a DC to DC Converter with Input Voltage 2.9 to 5.5 V, Output Voltage 1 1.5 to 3.3 V, Output Current 1 1000 mA, Operating Temperature -40 to 125 Degree C, Storage Temperature -55 to 125 Degree C. Tags: Buck/Step down. More details for MAXM17624 can be seen below.