EN31AGND2AGND3AGND4AGND5FB26COMP27SS28BST29LX210PGND211PVIN212PVIN313PGND314LX315BST316SS317COMP318FB319PGOOD20ROSC21FB122COMP123SS124BST125LX126PGND127PVIN128VIN29V7V30EN131EN232PAD33