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.
LMR62421芯片 5V升24V,使用webbench设计电路。
不接负载噪声未出现，接负载噪声出现，p-p值较高，影响放大电路。原理图中芯片已换为62421，外围电路不变，（芯片淘宝的，买到假货？）
请确保购买的货源为TI授权代理商
