The PSA60 from STMicroelectronics is a DC to DC Converter with Input Voltage 40 to 60 V, Output Power 60 W, Output Voltage 2 12 V, Output Current 2 4500 to 6000 mA, Supply Voltage 4.5 to 5.5 V. Tags: Surface Mount, Buck/Step down. More details for PSA60 can be seen below.