The NJM2872BF31 from Nisshinbo Micro Devices is a LDO Voltage Regulator with Input Voltage 14 V, Output Voltage 3.1 V, Dropout Voltage 100 to 180 mV, Output Current 0.15 to 0.2 A, Quiescent Current 0.12 to 0.18 mA. Tags: Surface Mount. More details for NJM2872BF31 can be seen below.