LNBH25 Datasheet (STMicroelectronics) - LNB-supply / controller

LNBH25, LNB-supply / controller

Intended for analog and digital satellite receivers/Sat-TV and Sat-PC cards, the LNBH25 is a monolithic voltage regulator and interface IC, assembled in QFN24 4x4 specifically designed to provide the 13/18 V power supply and the 22 kHz tone signalling to the LNB down-converter in the antenna dish or

LNBH25 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 receivers output voltage specification (15 programma