This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

LM5143A-Q1: 我们的设计如下,但是为什么输出的结果不是12V

Part Number: LM5143A-Q1

我们设计了一个12V的输出电压,已经测量了EN是42V,确认已经使能,但是测量的结果只有3.3V,并且VCC也是3.3V,我看手册写的VCC应该是5V,并且SS也测不到电压,用示波器观察不到波形,这是怎么回事呢?