48 V DC-DC Conversion for Data Centers Using GaN Transistors
The rapid expansion of the computing and telecommunication market has led to the migration to the 48V based power architecture. These applications include Artificial Intelligence (AI), 5G, Big Data, and Cloud Servers with high computing capability, higher power demands, and higher power density requirements. The higher power needs to be delivered in essentially the same area and volume, which puts a premium on higher power density for 48 V converters.
Silicon-based solutions cannot keep pace with this demand, while gallium nitride (GaN) based solutions continue to improve with every generation. The chart below shows the rapid improvement in the power density of GaN-based solutions within just the last few years, and this trend is expected to continue.
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