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A8285 Key Features

  • LNB selection and standby function
  • Provides up to 500 mA load current
  • Two-wire serial I2C interface
  • Built-in tone oscillator, factory-trimmed to 22 kHz
  • Auxiliary modulation input
  • 22 kHz tone detector facilitates DiSEqC™ decoding
  • Tracking switch-mode power converter for lowest
  • LNB overcurrent protection and diagnostics
  • Internal overtemperature protection
  • LNB voltages (16 possible levels) patible with all

Related Allegro MicroSystems Datasheets

Part Number Description
A8283 LNB SUPPLY AND CONTROL-VOLTAGE REGULATOR
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A8285 Description

Intended for analog and digital satellite receivers, the LNB (low noise block) converter regulator is a monolithic linear and switching voltage regulator, specifically designed to provide power and interface signals to an LNB downconverter, via coaxial cable. The device uses a 2-wire bidirectional serial interface, patible with the I2C (Inter-C bus) standard, that operates up to 400 kHz. The A8285 is supplied in a...