The SFTN01L-09 from Mean Well is a DC to DC Converter with Input Voltage 4.5 to 5.5 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, Boost/Step Up. More details for SFTN01L-09 can be seen below.