VPX68S

600 Watt DC/DC Converter, 3U VPX, SOSA, Holdup Time

NAI’s VPX68S is a rugged, high-efficiency 600-Watt DC/DC converter designed for aerospace, defense, and industrial applications. Featuring a +28 VDC input and SOSA-aligned outputs in a 3U VPX form factor, it’s an off-the-shelf power supply that integrates seamlessly into standard VITA 62 conduction-cooled chassis.

 

Optional Holdup Time and Current Share capabilities offer enhanced flexibility, while built-in features like continuous Background BIT, I²C communication, and remote error sensing ensure smart monitoring and control. Engineered for harsh environments, the VPX68S includes robust protection against input transients, over-voltage, over-current, and short-circuits—delivering reliable, consistent performance in mission-critical systems.

Features

• Optional Integrated Holdup Time of up to 400 Watts
• Standard VPX-compatible connectors
• Accepts +28 VDC input (+16 VDC to +60 VDC continuous)
• Provides Two SOSA outputs and I/O at High Efficiency up to 600 Watts
• System Management Bus per VITA 46.11 & I/O per VITA 62
• Input transient protection per MIL-STD-704F and MIL-STD-1275E
• Integrated EMI filtering per MIL-STD-461F
• Environmental per MIL-STD-810 and VITA 47
• IPMI Dual PM Bus compliant
• Temperature range -40° C to +85° C