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A8296 - Single LNB Supply and Control Voltage Regulator

General Description

Intended for analog and digital satellite receivers, this single low noise block converter regulator (LNBR) is a monolithic linear and switching voltage regulator, specifically designed to provide the power and the interface signals to an LNB down converter via coaxial cable.

Key Features

  • Integrated boost MOSFET, current sensing, and compensation.
  • Adjustable LNB output current limit from 250 to 950 mA.
  • ▫ Covers wide array of.

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A8296 Single LNB Supply and Control Voltage Regulator FEATURES AND BENEFITS ▪ Integrated boost MOSFET, current sensing, and compensation ▪ Adjustable LNB output current limit from 250 to 950 mA* ▫ Covers wide array of application requirements ▫ Minimizes component sizing to fit each application ▫ For startup, reconfiguration, and continuous output ▪ Boost peak current limit scales with LNB current limit setting ▪ 8 programmable LNB output voltage (DAC) levels ▪ LNB overcurrent limiter with shutdown timer ▪ Tracking boost converter minimizes power dissipation ▪ LNB transition times configurable by external capacitor ▪ Push-pull LNB output stage maintains 13→18 V and 18→13 V transition times, even with highly capacitive loads Continued on the next page… PACKAGE: 16-contact MLP/QFN (suffix