Hi side FET drive for 2 transistor forward converter

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T

treez

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Hello,
The attached is "the" way to do a hi side FET drive. Why isn't this common?

Gate drive transformers have too many problems in comparison.

(LTspice simulation also provided)
 

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  • Gate drive _hi-side supply _level shift.pdf
    30.3 KB · Views: 117
  • Gate drive _hi-side supply _level shifter.txt
    14.5 KB · Views: 73

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