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TPS92662A-Q1: 输出波形状态确认

Part Number: TPS92662A-Q1

截图为我们使用示波器抓取的12LED从全灭到全亮的一个逐步点亮并保持全亮的电压波形

我们想问一下红框的范围内为何会产生一个大约几百毫秒的低压?最低点电压大约是220mV.

另外这段低压是否可以使用92662的移相功能消除掉?