视频文件
                    1(What is a Voltage Regulator Another Teaching Moment | allaboutcomponents.com Electronics)
                   
                    PCN 组装/来源
                    1(Manufacturing Change 26/Mar/2021)
                   
                    PCN 封装
                    1(Packing Changes 10/Oct/2016)
                   
                    PCN 零件编号
                    1(Micrel to Microchip PN Changes 7/Oct/2015)
                   
                    EDA 模型
                    1(MIC5320-H4FYD6-TR by Ultra Librarian)