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LMG3411R050 : I want to activate boost mode

Part Number: LMG3411R050
The buck mode works normally, but when operating in boost mode, it takes cc and heats up the fet just by connecting input power. I made a general synchronous buck converter circuit and put a capacitor of 80V / 660uf at the 200V / 100uf output at the input. I want to analyze both buck mode and boost mode, but I would like to explain how to activate boost mode.