The LTC1735 from Analog Devices is a DC to DC Converter with Input Voltage 3.5 to 36 V, Output Voltage 1 0.8 to 7 V, Output Current 1 20000 mA, Operating Temperature -40 to 125 Degree C, Storage Temperature -65 to 150 Degree C. Tags: Surface Mount, Buck/Step down. More details for LTC1735 can be seen below.