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关于LM2841芯片的datasheet中给的典型应用电路的输出是否随输入变化的问题,懂得进来讨论一下。

Other Parts Discussed in Thread: LM2841

用TI的lm2841或者2842的芯片,datasheet上面给的电路图比如输入12V输出5V的话,那么输入电压降低时,输出电压会成比例的降低还是一直保持着5V的输出(保持电路图不变的话)吗?希望可以得到大家的帮忙,谢谢。