This part is a kind of semiconductor called INN8186.

Function of this product has Highly Integrated LNB Supply and Control Voltage Regulator.

Manufacturers : INNOTECH

Image and pinout :

Some of the text within the PDF file :

INNOTECH INN8186 vodasat@gmail.com 13510327305 DS_V1p0_Revised_Nov_2012 Highly Integrated LNB Supply and Control Voltage Regulator For details, check for samples: INN8186 Features  Low noise output to avoid sensitivity of Can Tuner and DISH’s LNA dropping down Noise <+/-40mV@300MHz BWL Noise <+/-20mV@20MHz BWL  Single chip power solution with 650mV Vpp 22KHz tone control signal transferred to output  LNB Voltages (2 levels: 14.3V and 19.3V) compatible with common standards  External 22KHz tone input  Integrated DC DC boost converter and high efficiency (typ. 93%) with integrated Power Mosfet  Integrated low Noise Linear Regulator  Integrated power switches and current sensing  Internal overcurrent and over temperature protection  Provides up to 450mA con [ ... ]

INN8186 PDF Datasheet Download