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RT5006 - Single Output LNB Power Supply Controller

Description

The RT5006 is a highly integrated voltage regulator and interface IC, specifically designed for supplying power and control signals from advanced satellite Set-Top Box (STB) modules to the Low Noise Block (LNB) down converter in the antenna dish or to the multi-switch box.

Features

  • Wide Input Supply Voltage Range : 8V to 16V.
  • Output Current Up to 700mA.
  • Output Current Limit of 800mA with 5ms Timer.
  • LNB Voltages (16 Programmable Levels).
  • ±4.5% High Accuracy of LNB Voltage for 0mA to 500mA Current Output.
  • Fault Latch for OTP, OCP, UVLO.
  • Built-in 22kHz Tone Generator One-Way DiSEqCTM Communication.
  • Four Methods of 22kHz Tone Generation, via I2C Data Bits and/or External Pin.
  • Adjustable Rising/Falling Time via External Capacitor.

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Datasheet Details

Part number RT5006
Manufacturer Richtek
File Size 331.33 KB
Description Single Output LNB Power Supply Controller
Datasheet download datasheet RT5006 Datasheet

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Full PDF Text Transcription

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® RT5006 Single Output LNB Power Supply Controller with I2C Interface General Description The RT5006 is a highly integrated voltage regulator and interface IC, specifically designed for supplying power and control signals from advanced satellite Set-Top Box (STB) modules to the Low Noise Block (LNB) down converter in the antenna dish or to the multi-switch box. The device consists of an independent current-mode Boost controller and a low dropout linear regulator and the circuitry required for 22kHz tone generation and integrates tone detection capability, to support full one-way DiSEqCTM communications. All the functions and the LNB output voltages (16 programmable levels) can be controlled via the I2C bus.
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