200W external power supply uses GaN

December 12, 2019 // By Nick Flaherty
Using GaN reduces the size of the Fidus Power GDA200 external power supply to 150 x 54 x 33mm
FiDUS Power uses GaN transistors to reduce the size of the GDA200 external power supply to 150 x 54 x 33mm

FiDUS Power has launched a 200W external power supply with a power density of 12.5W/in³, measuring 150 x 54 x 33mm (5.9 x 2.12 x 1.3”).

Using Gallium Nitride (GaN) transistors in the GDA200 provides increased efficiency, reduced heat losses and higher frequency operation. This reduces the size of magnetics and other components, reducing the size of the 200W adaptor by a factor of 2.5. The exteranl power supply provides 192 to 200 W of output power with output voltages from 12 and 56VDC.

The smaller size means the external power supply is aimed at designers of portable equipment and instrumentation in markets including high end audio, test and measurement, bench top and audio broadcast equipment.

“The ultra-high power density and exceptionally small size of our new GDA200 external power supply gives designers of portable products a great deal more value for money and design flexibility. This is the first of a new family of ultra-compact external desk top products to be announced by FiDUS Power with the 300, 160 or 150 and finally GDA 120W series to follow early next year,” said Mark Gibbons, Engineering Manager at FiDUS Power.

The FiDUS GDA200 is available in class I or II (C14 and C8 inlet), with the C14 inlet model 11mm longer than the C8 model to accommodate the IEC input. It offers designers future proofing with the latest energy efficiency legislation; Department of Energy Level VI & Energy Related Products Tier 2, and latest general safety approval EN62368-1. The units offer global approvals for use in Japan (PSE), China (CCC) and Taiwan (BSMI) as well as the Americas (UL) and Europe (CE). The units are suitable for use in ITE applications conforming to conducted and radiated emissions EN55032 level B. It has a FiDUS 5 year warranty.


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