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LNBH25S Key Features

  • plete 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
  • pliant 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

Related STMicroelectronics Datasheets

Part Number Description
LNBH25 LNB-supply / controller
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LNBH25LS LNB supply/controller
LNBH2 LNB SUPPLY AND CONTROLLER
LNBH21 LNB SUPPLY/CONTROLLER

LNBH25S Description

Intended for analog and digital satellite receivers/Sat-TV and Sat-PC cards, 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. In this application field, it offers a plete solution with extremely low ponent count and low...