This part is a kind of semiconductor called 3BR1765JZ.
Function of this product has Off-Line SMPS Current Mode Controller.
Manufacturers : Infineon
Image and pinout :
Some of the text within the PDF file :
V e rs io n 2 .1 , 3 0 A u g 2 01 1 N e v e r s t o p t h i n k i n g . http://www.Datasheet4U.com ICE3BR1765JZ Revision History: Previous Version: Page 27 2011-8-30 V2.0 Subjects (major changes since last revision) revised outline dimension for PG-DIP-7 Datasheet For questions on technology, delivery and prices please contact the Infineon Technologies Offices in Germany or the Infineon Technologies Companies and Representatives worldwide: see our webpage at http:// www.infineon.com CoolMOS®, CoolSET® are trademarks of Infineon Technologies AG. Edition 2011-8-30 Published by Infineon Technologies AG, 81726 Munich, Germany, © 2009 Infineon Technologies AG. All Rights Reserved. Legal disclaimer The information given in this document shall in no event be regarded as a guarantee of [ ... ]