P226 | 6U VME Power Supply Board

Designed for harsh environment applications, the Aitech P226 is a versatile and reliable 6U VME power supply providing VME systems with an exceptionally wide input voltage range to assure excellent load and line regulation. Input power can vary from 16 to 36 Vdc, with a drop to 14 Vdc for up to 45 seconds and 12 Vdc for 3 seconds.

For EMI reduction, an input line filter is used to reduce the input reflected ripple. The power supply outputs four VME64x compliant voltages, each featuring a holdup time of 4 ms (50 ms holdup time with optional capacitor bank module). The four outputs are provided by four DC-to-DC converters, with a total power rating of up to 300 W, and minimum of 500 V isolation from input to output, thus eliminating any possibility of ground loops.

  • 300 Watts Output 85% Typical Efficiency
  • 16 - 36 Vdc Input Range, With Drop to 14 V for 45 s and 12 V for 3 s
  • MIL-STD-704A and D Input Compliance (704A compliance for no damage)
  • EMI/RFI Input Filter
  • Input Transient Protection
  • Input Reverse Polarity Protection
  • Outputs: 5 V @ 46 A, 3.3V @ 15 A, +12 V @ 1.0 A, -12 V @ 1.0 A
  • Output Over/Undervoltage and Short-Circuit Protections
  • ~ACFAIL, ~SYSRST and ~SYSFAIL VME Signals
  • 4 ms Holdup Time (50 ms with optional capacitor bank module)
  • Input/Output and Chassis Isolation
  • Thermal Shutdown
  • External ON/OFF Control, DC Fan Output Drive and Control
  • Internal BIT Status and Alarms for Voltages, Currents & Temperatures

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