Hi-Reliability Optically Coupled Isolator 3C91C, 3.
R1163N261D - 3-MODE 150mA LDO REGULATOR
R1163N261B - 3-MODE 150mA LDO REGULATOR
RP103N261D - LOW NOISE 150mA LDO REGULATOR
RP103N261B - LOW NOISE 150mA LDO REGULATOR
3N261 - Hi-Reliability Optically Coupled Isolator