输入15V, 输出18V 0.12A, 匝比1:1.4,感值40uH. 测试时在70-90mA时从DCM模式转BCM模式出现类似次谐波振荡波形,在100mA BCM模式又是正常的。请教是啥原因,另外LM5181-Q1反馈采样的时机在MOS关断后哪个区间。
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.
感谢您对TI产品的关注!为更加有效地解决您的问题,我们建议您将问题发布在E2E英文技术论坛上( https://e2e.ti.com/p/addpost ).将由资深的英文论坛工程师为您提供帮助。