Modular style DC/DC converters have changed styles and evolved for a higher level of power density. The smaller style DC over DC converter is designed to match the supply voltage requirement for a load that’s available across the power rail. The latest evolution of these systems can provide a lower auxiliary voltage for negative rail as well as handle analog interference. DC over DC converters today include safety isolation for breaking up ground loops as well as for managing sensitivity in all circuitry.
Through-hole sign in line pans are versions that have been popular since the earliest type of compact DC over DC converters. The latest improvements to the system supply enough power for a variety of applications including locomotives, touring trolleys, and more. The power density has increased with the chance for even unregulated three-watt available in some smaller formats.
DC/DC converters can come with regulated parts which are initially self-oscillating as well as including a variable frequency flyback circuit. The newer construction techniques also ensure a higher level of power density without derating. Vendors have continued to introduce modules that offer more optimistic claims for the future as well as the ability to keep up with industry leaders for headline power supply. The 6 W Recom can deliver a power rating at 75°C and cooling for up to a 9W part which is a massive improvement over the competition. Rather than facing a series of discrepancies or having a part that is not purpose-built for the system, it is possible to make sure that the design of the system can reach full limits for DC/DC power.
The latest designs also have a series of added functionality that can make sure that all control can be enhanced for input supply drops, fixed delays, and other issues that occur.
This post was written by Justin Tidd, Director at Swartz Engineering. For nearly a half a century, Swartz Engineering has been at the forefront of industry safety. They are a family-owned company specializing in power distribution for the electrical industry. They are the leading manufacturer of Type 76 DC relays. It is the most widely accepted protective overcurrent device used in the transit industry today.