The SPUN02L-05 from Mean Well is a DC to DC Converter with Input Voltage 4.5 to 5.5 V, Output Voltage 1 5 V, Output Current 1 0 to 400 mA, Output Power 2000 mW, Operating Temperature -40 to 105 Degree C. Tags: Through Hole, Buck-Boost. More details for SPUN02L-05 can be seen below.