Other Parts Discussed in Thread: TPS61299
使用器件TPS613221ADBV设计了一个升压电路,输入1.5V 输出3.3V
电路实测输入端待机功耗很大,无负载情况下,输入端实测电流接近30uA
请问是属于正常现象吗,Data Sheet中似乎描述Isw_LKG典型值仅为3.5nA,请问可以调整哪些参数降低待机功耗吗?
期盼回复,谢谢!
设计原理图如下:
尝试过L1更换4.7uH,或者拆除D4,问题依旧
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.