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想知道UC1843和UC1843EP可以直接代换吗？谢谢,
应该说UC1843EP可以直接替代UC1843，UC1843不可以直接替代UC1843EP。工作温度范围不一样，带EP的工作范围更宽。
20MA
谢谢，这个数据我有看到，为什么是-20mA?
