LNBH25LS Datasheet (STMicroelectronics)

LNBH25LS, LNB supply/controller

Intended for analog and digital satellite receivers/Sat-TV and Sat-PC cards, the LNBH25LS is a monolithic voltage regulator and interface IC, assembled in QFN24L (4x4 mm) specifically designed to provide 13/18 V power supply and 22 kHz tone signaling to the LNB down-converter in the antenna dish or

LNBH25LS Features

* Complete interface between LNB and I²C bus

* Built-in DC-DC converter for single 12 V supply operation and high efficiency (typ. 93% @ 0.5 A)

* Selectable output current limit by external resistor

* Compliant with main satellite receiver output voltage specifications (15 programmab