The SUCS31212 from Cosel is a DC to DC Converter with Input Voltage 9 to 18 V, Output Voltage 1 12 V, Output Current 1 0.25 A, Output Power 3000 mW, Isolation Voltage 500 Vdc. Tags: Through Hole, Surface Mount, Buck-Boost. More details for SUCS31212 can be seen below.