目前产品用到lm51571芯片，在官网下载了LM51571的average model，但是不清楚该模型是如何得到的，希望可以有专业人员进行解答，或者提供相关的文档资料，谢谢。
At present, lm51571 chip is used in the product. I have downloaded the average model of LM51571 from the official website, but I am not sure how to get the model. I hope you can have professional personnel to answer the question or provide relevant documents, thank you.
