VCC28LGATE227PGND226PHASE225UGATE224BOOT223ISEN222EN221VOUT220VSEN219OCSET218SOFT217PG2/REF16PG115VIN14DDR13SOFT112OCSET111VSEN110VOUT19EN18ISEN17BOOT16UGATE15PHASE14PGND13LGATE12GND1