The VAT2-S5-D12-SMT from CUI is a DC to DC Converter with Input Voltage 4.5 to 5.5 V, Output Voltage 1 12 V, Output Current 1 83 mA, Output Power 2000 mW, Output Voltage 2 -12 V. Tags: Surface Mount, Buck-Boost. More details for VAT2-S5-D12-SMT can be seen below.