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有没有人用过TPS767D318?使用手册中的典型应用电路,怎么带载能力那么弱呢



 如图所示搭建的测试电路,测试的过程中,当Io设置成11MA时还能有正常3.3V输出。若设置成12MA输出就开始向输入偏移,但又高于输入,输入为4.3V,输出能达到4.5V左右。

Io最大不是能到1A吗?有没有了解的同志帮忙解答下