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LNBH26LS Datasheet Dual Lnbs Supply/controller

Manufacturer: STMicroelectronics

Overview: LNBH26LS Dual LNBS supply and control IC with step-up and I²C interface Datasheet - production.

General Description

Intended for analog and digital DUAL satellite receiver/Sat-TV, Sat-PC cards, the LNBH26LS is a monolithic voltage regulator and IC interface, assembled in QFN24 (4x4) specifically designed to provide the 13/18 V power supply and the 22 kHz tone signaling to the LNB down-converter in the antenna dishes or to the multi-switch box.

In this application field, it offers a complete solution for dual tuner satellite receivers with extremely low component count, low power dissipation together with simple design and I²C standard interfacing.

Table 1: Device summary Order code LNBH26LSPQR Package QFN24 (4x4) Packaging Tape and reel December 2013 DocID025504 Rev 1 This is information on a product in full production.

Key Features

  • Complete interface between then 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 specification (8 programmable levels).
  • Accurate built-in 22 kHz tone generator suits widely accepted standards.
  • 22 kHz tone waveform integrity guaranteed also at no load condition.
  • Low drop post regulator and.

LNBH26LS Distributor & Price

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