This part is a kind of semiconductor called ADD5201.
Function of this product has White LED Driver.
Manufacturers : Analog Devices
Image and pinout :
Some of the text within the PDF file :
Data Sheet FEATURES High Efficiency, Eight-String, White LED Driver for LCD Backlight Applications ADD5201 BLOCK DIAGRAM STEP-UP SWITCHING REGULATOR White LED driver based on inductive boost converter Integrated 50 V MOSFET with 2.9 A peak current limit Input voltage range: 6 V to 21 V Maximum output adjustable up to 45 V 350 kHz to 1 MHz adjustable operating frequency Built-in soft start for boost converter Drives up to eight LED current sources LED current adjustable up to 30 mA for each channel Headroom control to maximize efficiency Adjustable output dimming frequency: 200 Hz to 10 kHz LED open/short fault protection Selectable brightness control interface modes PWM input SMBus serial interface Selectable dimming controls Fixed delay PWM dimming control with 8-bit resolution No delay [ ... ]