The SBTN01M-09 from Mean Well is a DC to DC Converter with Input Voltage 10.8 to 13.2 V, Output Voltage 1 9 V, Output Current 1 11.1 to 111 mA, Output Power 1000 mW, Operating Temperature -40 to 90 Degree C. Tags: Surface Mount, Buck/Step down. More details for SBTN01M-09 can be seen below.