The TBA 1-0511 from Traco Power is a DC to DC Converter with Input Voltage 4.5 to 5.5 V, Output Voltage 1 5 V, Output Current 1 0.2 A, Output Power 1 W, Isolation Voltage 1.06 kV. Tags: Through Hole, Buck-Boost. More details for TBA 1-0511 can be seen below.