SHDN1T2P#2RCLASS3NC4VPORTN5VPORTN6NC7NC8SG9VCC10TON11ENDLY12SYNC13SFST14OSC15FB16VCMP17UVLO18SENSE-19SENSE+20CCMP21RCMP22PGDLY23PG24NC25VNEG26VNEG27NC28PWRGD29PWRGD#30NC31VPORTP32EP33