The LDI1117-1.8D from Diotec Semiconductor is a LDO Voltage Regulator with Input Voltage 20 V, Output Voltage 1.782 to 1.818 V, Dropout Voltage 1000 to 1250 mV, Output Current 1 A, Quiescent Current 5 to 10 mA. Tags: Surface Mount. More details for LDI1117-1.8D can be seen below.