The 0RP1-20E1A0 from Bel Fuse is a DC to DC Converter with Input Voltage 4.5 to 13.8 V, Output Voltage 1 0.591 to 5.1 V, Output Current 1 20000 mA, Output Power 100000 mW, Operating Temperature 0 to 70 Degree C. Tags: Surface Mount, Buck-Boost. More details for 0RP1-20E1A0 can be seen below.