LNBH23 Datasheet (STMicroelectronics) - LNBs supply/controller

LNBH23, LNBs supply/controller

Intended for analog and digital satellite receivers/sat-TV, sat-PC cards, the LNBH23 is a monolithic voltage regulator and interface IC, assembled in PowerSSO-24 ePAD and QFN32 (5 x 5 mm.) ePAD, specifically designed to provide the 13/18 V power supply and the 22 kHz tone signalling to the LNB down-

LNBH23 Features

* Complete interface between LNB and I²C bus

* Built-in DC-DC converter for single 12 V supply operation and high efficiency (typ. 93% @ 0.75 A), with integrated NMOS

* Selectable output current limit by external resistor

* Compliant with main satellite receiver systems specification