Holt Integrated Circuits (Mission Viejo, CA) has announced compliance of its flagship 3.3V ARINC 429 line driver, HI-8597, with the lightning requirements of RTCA/DO-160G, Section 22, Level 3 Pin Injection Test Waveform Set A (3 & 4), Set B (3 & 5A), and Set Z (3 & 5B), using no additional external components. Features include:

  • A standardized test methodology, which is accepted in the avionics industry as the gold standard for environmental testing of airborne equipment.
  • Integrated lightning protection capability.
  • Short-circuit protection.
  • A single 3.3 V power supply.
  • An on-chip DC-DC converter.
  • 4 external capacitors.
  • An internal 37.5 Ohm resistor on each output.

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