Jeremy Ferrel, Manager of Standard Products, provides a technical explanation and demonstration of VPT's VPTHVM 270V step-down to 28V bus conversion solution.
http://www.vptpower.com/
See all of VPT's videos on technical issues for incorporating DC-DC power converters, EMI filters, and other power products into your avionics, military, or other high reliability power system: http://www.vptpower.com/video/
