www.fairchildsemi.com MC78LXXA/LM78LXXA/MC78L05AA.
MC78LXXA - 3-TERMINAL 0.1A NEGATIVE VOLTAGE REGULATORS
MC78LXXA - 3-Terminal 0.1A Positive Voltage Regulator
MC78LXXA - 3-TERMINAL 0.1A POSITIVE VOLTAGE REGULATORS