Taiwan semiconductor ts78l00 series smd positive voltage regulators 100ma taiwan semiconductor ts78l05acy rm a 100ma 5v fixed voltage regulator in a 3 terminal smd sot 89 package this positive voltage regulator is an easy to use device that is suitable for a wide range of applications requiring a regulated supply up to 100ma this rugged component has a significant performance advantage over traditional zener diode resistor combinations as output impedance and quiescent current are substant