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.

比如蓝牙芯片CC2640的供电范围是1.8V到3.8V,我想用一套电路给他供电,电路经过调节能输出1.8V到4.2V 那我应该输出多少给蓝牙芯片供电,如果分别用1.8或3.3v供电那这个芯片都能工作,但功耗是不不一样了,一般用多大



谢谢