This part is a kind of semiconductor called 15N10.

Function of this product has N-Ch Enhancement Mode Power MOSFET.

Manufacturers : Secos

Image and pinout :

Some of the text within the PDF file :

TLC5930 SLLS528 – MARCH 2002 12-CHANNEL LED DRIVER FEATURES D 0.2-mA to 40-mA (Constant-Current Sink) D D Drive Capability x 12 Bits Output Count into 24-Pin HTSSOP Package 1024 Gray-Scale Display (PWM Control 1024 Steps) with Max 25-MHz Clock Frequency 3-Way Brightness Adjustment – Plane Brightness Adjustment for 64 Steps (40% to 100%) – Frequency Division for 16 Steps (6.3% to 100%) – Dot Correction for 256 Steps (0% to 100%) DS–Link Data Input/Output (Data Rate Max 20 Mbps) with Packet Operation 5 Error Information Types and 2 Gray–Scale Clock Modes 3.3-V VCC and LVTTL Interface DESCRIPTION The TLC5930 is a constant-current sink driver with an adjustable current value, and 1024 gray scale display that uses pulse width control. The output current is 0.2 mA to 40 mA with 12 [ ... ]

TLC5930 PDF Datasheet Download