100ma fixed voltage regulators 78l79l series st l79l05acz 3 terminal negative voltage regulator 5v output voltage 17v dropout voltage single output 100ma output current 30v supply voltage 0 to 125c to 92 case the l79lxx series of 3 terminal negative 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 elimi