The VTX-224-053-0322 from Vigortronix is a DC to DC Converter with Input Voltage 3 to 3.6 V, Output Voltage 1 9 V, Output Current 1 5.6 to 56 mA, Output Power 500 mW, Output Voltage 2 -9 V. Tags: Surface Mount, Buck-Boost. More details for VTX-224-053-0322 can be seen below.