Power Supplies

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Using GaN Technology in Switch-Mode Power Supplies

Figure 1. Necessary components to consider when using GaN technology as power switches in a power stage of the LTC7800 buck converter.

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­GaN switches typically have lower gate voltage ratings than silicon FETs. Most GaN manufacturers recommend a typical gate drive voltage of 5 V. Some have an absolute maximum rating of 6 V, which does not give much headroom between the recommended gate drive voltage and the critical threshold, above which would da
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Date:
02/01/2025