The ST8R00 from STMicroelectronics is a DC to DC Converter with Input Voltage 4 to 6 V, Output Voltage 1 6 to 12 V, Output Current 1 1000 mA, Operating Temperature -25 to 125 Degree C, Storage Temperature -50 to 150 Degree C. Tags: Surface Mount, Boost/Step up. More details for ST8R00 can be seen below.