This part is a kind of semiconductor called MP1009.

Function of this product has Half-Bridge and Push-Pull CCFL Inverter Controller.

Manufacturers : MPS

Image and pinout :

Some of the text within the PDF file :

MP1009 Nu-PulseTM, Half-Bridge and Push-Pull CCFL Inverter Controller The Future of Analog IC Technology PRELIMINARY SPECIFICATIONS SUBJECT TO CHANGE MPS CONFIDENTIAL AND PROPRIETARY INFORMATION – INTERNAL USE ONLY DESCRIPTION The MP100 9 is a fixe d operating frequency inverter controller that controls t wo external power MOSFETs in Nu-Pulse TM, Half-Bridge or Push-Pull configuration for powering one or more cold cathode fluor escent lamps (CCFL) to backlight liquid crystal displays (LCD). The MP1009 offers cost effective solutions with minimized external components. Th e controller provides high efficiency power conversion of unregulated DC input voltages to nearly pur e sine waves. The featured fault detection and protection scheme (patent pendin g) includes open lamp regulation, op [ ... ]

MP1009 PDF Datasheet Download