View ka7805 datasheet:

www.fairchildsemi.com KA78XX/KA78XXA 3-Terminal 1A Positive Voltage Regulator Features Description • Output Current up to 1A The KA78XX/KA78XXA series of three-terminal positive • Output Voltages of 5, 6, 8, 9, 10, 12, 15, 18, 24V regulator are available in the TO-220/D-PAK package and • Thermal Overload Protection with several fixed output voltages, making them useful in a • Short Circuit Protection wide range of applications. Each type employs internal • Output Transistor Safe Operating Area Protection current limiting, thermal shut down and safe operating area protection, making it essentially indestructible. If adequate heat sinking is provided, they can deliver over 1A output current. Although designed primarily as fixed voltage regulators, these devices can be used with