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.
2节干电池供电，需3.3V给MCU供电，由于供电纹波要求较高，目前是先由3V升压5V，之后再用LDO降到3.3V
有更好的电源方案吗？
您好，
供电纹波要求较高具体是多少mV呢？
可以的，LDO的选择具体要看你的输出要求如何
