我是双节锂电池供电(6.6V-8.4V)输入,升压到10.5V,但是接上负载(红外灯)之后10.5V拉高成10.8V-11V,请问为什么会这样,还有这个芯片的FB引脚并上一颗1nF的电容和一颗100pF的电容后,输出的电压就不拉高了,但是电感升压后的波形很多杂波。我去掉这2个电容就不会有杂波,但是输出电压就会拉高,请问这是为什么呢。
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.