The LTC3703 from Analog Devices is a DC to DC Converter with Input Voltage 9.3 to 100 V, Output Voltage 1 0.8 to 93 V, Output Current 1 20000 mA, Operating Temperature -40 to 150 Degree C, Storage Temperature -65 to 150 Degree C. Tags: Surface Mount, Buck/Step down. More details for LTC3703 can be seen below.