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关于OPA569的限流问题

Other Parts Discussed in Thread: OPA569

目前我们有个产品上使用的是OPA569作为输出级,采用的是跟随的方式连接,现在的问题是当设置了限流后,比如限流值设置了1A,负载固定不变比如2R,当我的输出电压小于2伏的时候,输出电压可以稳定输出,当电压大于2伏时输出就不稳定了,出现类似于正弦波的波形,按照数据手册上应该是把电压稳定2伏才对呀?各位老师可以帮忙分析一下吗?