The LSR01-12S1P8 from Ideal Power Ltd is a DC to DC Converter with Input Voltage 4.6 to 36 V, Output Voltage 1 1.8 V, Output Current 1 1000 mA, Operating Temperature -40 to 105 Degree C, Storage Temperature -55 to 125 Degree C. Tags: Surface Mount, Buck/Step down. More details for LSR01-12S1P8 can be seen below.