STMicroelectronics LNBH25S
the LNBH25S 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 to the multi-switch box.| Part No. | LNBH25S |
|---|---|
| Datasheet | LNBH25S Download |
| Manufacturer |  STMicroelectronics |
| Description | LNB-supply / controller |
| Buy | Stock & Price |
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 programmable levels)
● Accurate built-in 22 kHz tone generator suits widely accepted standards
● 22 kHz tone waveform integrity guaranteed at no-load condition
APPLICATIONS
● STB satellite receivers● TV satellite receivers
● PC card satellite receivers
DESCRIPTION
Intended for analog and digital satellite receivers/Sat-TV and Sat-PC cards, In this application field, it offers a complete solution with extremely low component count and low power dissipation together with a simple design and I²C standard interface. Order code Table 1: Device summary Package Packing LNBH25SPQR QFN24L (4x4) Tape and reel October 2016 DocID026736 Rev 3 This is information on a product in full production. 1/37 Contents Contents LNBH25S 1 Block diagram..................................................................................
