The TMV 0509DHI from Traco Power is a DC to DC Converter with Input Voltage 4.5 to 5.5 V, Output Voltage 1 9 V, Output Current 1 0.056 A, Output Power 1 W, Output Voltage 2 -9 V. Tags: Through Hole, Buck-Boost. More details for TMV 0509DHI can be seen below.