This part is a kind of semiconductor called 79L05.

Function of this product has (79Lxx) 3-Terminal 0.1A Negative Voltage Regulator.

Manufacturers : Contek

Image and pinout :

Some of the text within the PDF file :

79LXX LINEAR INTEGRATED CIRCUIT 3-TERMINAL 0.1A NEGATIVE VOLTAGE REGULATOR The Contek79LXX family is monolithic fixed voltage regulator integrated circuit. They are suitable for applications that required supply current up to 100mA. DESCRIPTION SOP-8 1 FEATURES TO-92 1 *Output current up to 100mA *Fixed output voltage of -5V, -6V, -8V, -9V, -12V,-15V ,-18V and -24V available *Thermal overload shutdown protection *Short circuit current limiting SOT-89 TO-92, SOT-89: 1:GND 2:Input 3:Output SOP- 8 : 1. Vout ; 2,3,6,7 Vin ; 5. GND; 4,8 NC TEST CIRCUIT GND OUTPUT INPUT Contek Contek Microelectronics Co.,Ltd. CONTEK http://www.contek-ic.com E-mail:sales@contek-ic.com 1 79LXX PARAMETER Input voltage(for Vo=-5~-9V) (for Vo=-12~-15V) (for Vo=-18~-24V) Power Dissi [ ... ]

79L05 PDF Datasheet Download