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500-Watt (270VDC input) DC/DC Converter, VITA 86 High Altitude, 3U VPX

NAI’s VPX57C is a 500 Watt DC/DC Converter which plugs directly into a standard 3U VPX chassis utilizing a VITA 86 1.0” power supply slot. This off-the-shelf solution is ideal for high altitude operation such as orbit launch vehicles or Fighter-Grade applications. It is compatible with VITA 46.0 and VITA 65 systems; supports all VITA standard I/O, signals, and features; and conforms to the VITA 86 mechanical and electrical requirements for modular power supplies.


  • Ideal for rugged 3U VPX power applications
  • Standard VPX-compatible connectors and I/O per VITA 86
  • Compatible with System Management Bus per VITA 46.11
  • Optional Tier 3 IPMB System Management Bus
  • Off-the-shelf solution for VITA 46.0 and VITA 65 systems
  • Supports all VITA standard I/O, signals, and features
  • Accepts +270 VDC input
  • Provides six outputs and I/O at 500 Watts
  • Continuous Background Built-in-Test (BIT)
  • I2C Communication
  • Discrete Signaling
  • Current share
  • Environnmental's per Mil-Std-810G and VITA 47
  • Input transient protection per MIL-STD-704F
  • Integrated EMI filtering per MIL-STD-461F
  • Operates at full load through the entire -40°C to +85°C temperature range

10/14/2022 11:51:43 AM
10/14/2022 7:27:55 AM
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