The IF0505S-1WR3 from MORNSUN is a DC to DC Converter with Input Voltage 4.75 to 5.25 V, Output Voltage 1 5 V, Output Current 1 20 to 200 mA, Output Power 1000 mW, Operating Temperature -40 to 85 Degree C. Tags: Through Hole, Buck-Boost. More details for IF0505S-1WR3 can be seen below.