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哪位大神能告诉我UCC28019和UCC28019A有什么区别吗？
Hi
TI有提供文档说明：Optimizing the UCC28019A to Avoid Audible Noise 见： http://www.ti.com.cn/cn/lit/an/slua688/slua688.pdf，
都是英文的,看不懂.
