This part is a kind of semiconductor called TDA16846-2.

Function of this product has (TDA1684x-x) Controller.

Manufacturers : Infineon Technologies

Image and pinout :

Some of the text within the PDF file :

D at a s h e e t , V 2 . 0 , 3 1 J u l y 2 0 0 3 PWM-QR IC TDA 16846/16846-2 TDA 16847/16847-2 Controller for Switch Mode Power Supplies Supporting Low Power Standby and Power Factor Power Management & Supply N e v e r s t o p t h i n k i n g . TDA 16846/TDA 16846-2/TDA 16847/TDA 16847 Revision History: Current Version: 2003-07-31 Previous Version Data Sheet TDA 16846: 2000-01-14 Previous Version Data Sheet TDA 16846-2: 2002-07-30 Page (in previous Version) 20 Page (in current Version) 20 Subjects (major changes since last revision) The data sheets for TDA 16846 and TDA 16846-2 have been combined in this version. Some measuring values are updated: Pin 1 basic value 1 V1B1 and V1B2 slightly changed. Pin 2 discharge current I2DC min changed from [ ... ]

TDA16846-2 PDF Datasheet Download