The EDL02-05S09 from Ideal Power Ltd is a DC to DC Converter with Input Voltage 4.5 to 13.2 V, Output Voltage 1 9 V, Output Current 1 222 mA, Isolation Voltage 1600 VDC, Operating Temperature -40 to 105 Degree C. Tags: Through Hole, Buck-Boost. More details for EDL02-05S09 can be seen below.