Datasheet for the 78XX series of fixed positive three-terminal linear voltage regulators, a 156 KB PDF.

Datasheet for the 79XX family of fixed negative three-terminal linear regulators, a 167 KB PDF.

Datasheet for the LM7805, a fixed 5 V positive three-terminal linear regulator from the widely used 78xx family, provided as a 161 KB PDF.

Datasheet in PDF form for the KA78XX series, the family of fixed positive linear voltage regulators following the classic 78xx numbering, where the last digits indicate…

Datasheet for the 78LXX family of low-power positive fixed voltage regulators, as a 197 KB PDF.