视频文件
                    1(What is a Voltage Regulator Another Teaching Moment | allaboutcomponents.com Electronics)
                   
                    PCN 产品变更/停产
                    1(Mult Dev EOL 08/Jul/2021)
                   
                    PCN 设计/规格
                    1(NCP551,NCV551 Datasheet Update 28/May/2014)
                   
                    PCN 组装/来源
                    1(Mult Devices 05/Feb/2019)
                   
                    EDA 模型
                    1(NCP551SN29T1G by Ultra Librarian)