This part is a kind of semiconductor called MAP3204TERH.

Function of this product has 4-channel LED Driver.

Manufacturers : MagnaChip

Image and pinout :

Some of the text within the PDF file :

Confidential Preliminary Datasheet Version 0.0 MAP3204 – 4-Channel LED Driver for High Brightness LEDs MAP3204 4-channel LED Driver for High Brightness LEDs General Description The MAP3204 is a 4-channel LED driver optimized for LED backlight application targeting mid and large size LCD module. It uses the boost MOSFET externally and 4-channel current sources internally for driving high brightness white LEDs Input voltage of the MAP3204 is ranged from 7V ~ 36V and max. LED current is 150mA per channel. It can increase the output voltage depending on the drain voltage rating of boost MOSFET. It features PWM dimming control, internal soft-start and 1.5% current matching between channels and has protections like output over-voltage and LED short/open and UVLO. The MAP3204 is available in [ ... ]

MAP3204TERH PDF Datasheet Download