3U VITA Power Supply Unit is MIL-STD-704 compliant.

Press Release Summary:

3U VITA 62-Compliant Power Supply Unit offers input range of 18 VDC to 32 VDC and output capacity of 500 W. Unit features six supply outputs of 3.3V, +12V, +5V, ±12V AUX and +3.3V AUX , BIT and fault log. Product is equipped with input power line filter, temperature monitor and elapsed time recorder. 3U VITA is integrated with optional non-electrolytic capacitor power hold-up module which offers output power for 25 mS. Power supply unit’s filters provide input power overvoltage and surge protection.


Original Press Release:

New 3U VITA 62-compliant PSU Meets Power and Reliability Demands of Rugged, High Density Embedded Systems

Aitech's P233 provides up to 500 W output; integrated protection features enhance reliability

Aitech Defense Systems Inc. has expanded its line of power supply units (PSUs) with the P233, designed to meet the demands of highly integrated embedded systems. The 3U VITA 62-compliant PSU offers an output capacity of up to 500 W as well as a wide voltage input range of 18 VDC to 32 VDC, and can be used in a range of VME, VPX and CompactPCI systems.

Technical Specifications:

  • 3U, VITA 62 PSU
  • Up to 500 W output capacity; wide input voltage 18-32 VDC
  • Comprehensive input and output protection
  • Input power line filter
  • Extensive BIT and Fault Log
  • Temperature Monitor and Elapsed Time Recorder
  • Six output supplies with independent current limiting on each

Two P233 power supplies can be connected in parallel with a load sharing option to provide 1,000 W of total output power. Or, for added system reliability and redundancy, the connected units can function as two parallel, redundant 500 W supplies with auto-failover.

The MIL-STD-704-compliant P233 features six supply outputs: 3.3V, +12V, +5V, ±12V AUX and +3.3V AUX, each with independent current limiting as well as numerous protection mechanisms to ensure the PSU will not be damaged, even if connected to an incorrect or malfunctioning power source. Complete with internal built-in test (BIT) and input line filters that protect from input power overvoltage, surges and reverse polarity, the P233 provides exceptional reliability.

Input-to-output isolation eliminates ground loops, and the main high output supplies (3.3V, +12V, +5V) offer remote sense lines for voltage stability in high current loads. An optional non-electrolytic capacitor power hold-up module provides full rated output power for 25 mS. An external capacitor bank can also be added to provide up to 50 mS power hold-up at a full-rated 500 W output power with a proportionally longer holdup time at reduced output loads.

The power supply board has no minimum load requirement, which ensures stable output voltages over the full range of power output.

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