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DC to DC Converters are used wherever one dc voltage needs to be converted into another dc voltage or where dc voltages need to be stabilised.

For example where equipment is powered from batteries, a solar panel, or the output of a fuel cell, sometimes the equipment cannot cope with the swing in voltage provided by the dc source device or at the battery terminals determined by the level of charge and load, so a dc/dc converter would be used to stabilise that voltage. An industrial dc to dc converter will typically cope with a ±30% voltage tolerance at its input whilst maintaining the output voltage to within around 0.1%.

These dc to dc converters are also common place where there is a backed up dc bus running at say 48Vdc to power a Telecommunications system, and the designer realises he has some additional equipment which runs on say 24Vdc. The equipment can be powered via the secure bus but on 24Vdc using the dc to dc converter.

There are two main types of dc to dc converter ­ chassis mounting, and rack mounting. Chassis mounting units are used mostly in standalone applications for example on a boat, or in a vehicle, whilst rack mounting units are often used to form part of a system and configured in a parallel power boost or n+1 redundant arrangement to provide a greater level of integrity.

CP Power & Automation Ltd provide DC to DC Converters from 25W to 2kW & DC to DC systems configured from multiple modules up to 200kW. Voltages are typically from 5Vdc to 250Vdc, although higher voltages can also be catered for.