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LM5117相关问题

Other Parts Discussed in Thread: LM5117

用LM5117实现不同输出电压下的电流监测,用运放采集CM点来监测电流,检流电阻固定。

1、CM点在不同电压输出下所输出的值,不成比例。

2、当输出大于48V运放输出调节到无震荡时,满载情况下,坚持不了多久,片子就会挂,估计是反馈调整的太慢了。

请问该问题LM5117是否不能用运放来采集CM点、给COMP补偿来实现调节?