NU1NU2NU3EN_UVLO4BOOT5SW6SW7SW8SW9SW10SW11SW12PGND13PGND14PGND15PGND16PGND17PGND18PGND19PGND20PVIN21PVIN22PVIN23PVIN24PVIN25PVIN26NC27VDD28DRGND29AGND30BP31FSEL32VSEL33MODE34PGOOD35ILIM36RESV_TRK37RSN38RSP39VOSNS40EP41