Demand Increases for Non-Isolated Point-of-Load DC/DC Converters

The proliferation of different voltages at higher current levels has changed the way distributed bus architectures (DBA) are designed, according to VDC, a Natick, Mass.-based technology market research and consulting firm. Bus architectures traditionally use a central power source that converts the incoming line voltage separately to each regulated DC output. The regulated voltages are then distributed

The proliferation of different voltages at higher current levels has changed the way distributed bus architectures (DBA) are designed, according to VDC, a Natick, Mass.-based technology market research and consulting firm. Bus architectures traditionally use a central power source that converts the incoming line voltage separately to each regulated DC output. The regulated voltages are then distributed to each individual point-of-use within the equipment. Conversely, voltage in a DBA is generated from a front-end DC bus and converted into the required voltage at the point of use or point-of-load (POL). VDC found that the non-isolated POL DC/DC converters are smaller than their counterparts, feature no transformers or electrical isolation, operate at a higher efficiency, and offer the capability to easily adjust output voltage to accommodate different loads.

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