芯片正常使用一天后突然就坏了电压输出不对。芯片和外围电路发烫。这是为什么?
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.
Hi
建议你先参考datasheet 改版一下layout. (注意功率走线粗一点,功率路劲尽量小一点,以及PGND)
然后在确认一下电感饱和电流足够。