The MAX1701 from Analog Devices is a DC to DC Converter with Input Voltage 0.7 to 5.5 V, Output Voltage 1 2.2 to 5.5 V, Output Current 1 800 mA, Operating Temperature -40 to 85 Degree C, Storage Temperature -65 to 160 Degree C. Tags: Surface Mount, Buck/Step down. More details for MAX1701 can be seen below.