VALID2#1VCC2PVCC3EXTVCC4VSET15VSET26VREF7GND8FB9RT10PGOOD11PRIORITY#12PVIN213ENA14BST215COM216SW17PGND18PGND19SW20COM121BST122DIODE23PVIN124VIN125VIN226PWM/SYNC27VALID1#28PAD29