100ma fixed voltage regulators 78l79l series st l78l12acz 3 terminal positive voltage regulator 12v output voltage 17v dropout voltage single output 100ma output current 35v supply voltage 0 to 150c to 92 case the l78lxx series of three terminal positive regulators employ internal current limiting and thermal shutdown making them essentially indestructible they are intended as fixed voltage regulators in a wide range of applications including local or on card regulation for el