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L6699 LLC Resonant Half-bridge Controller IC Slide 17

As previously stated, if the correct phase is suddenly lost, MOSFET switching ceases. If the problem is severe, a second over-current protection function will be triggered to prevent the converter from possibly damaging the MOSFETs, by preventing the body diode reverse recovery that occurs when the MOSFETs are hard-switched.

PTM Published on: 2013-02-27