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TLV70450DBVR容易烧毁



5V LDO TLV70V450DBVR 

3.3V LDO TLV70433DBVR

采用DC 12V为5V供电,5V输入端加入1UF陶瓷电容,输出端加入10UF陶瓷电容,将5V输出作为3.3V输入,3.3V输出端加入10UF电容,然后再上电的瞬间容易烧坏5V LDO,3.3V输出正常,再经过几个样品后发现偶尔上电5V可以输出正常,但再次上电发现5V 烧坏,输出11.2V左右!