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.

TPS61085输入电源被拉低

Other Parts Discussed in Thread: TL431, TPS61085

TPS61085做的隔离电源5V输入,15V@100ma输出,变压器隔离,变压器参数EE10,电感量8uH,二次恻TL431反馈,现在测量输入5V被拉低至2.5V,输出15V纹波很大,请高手解惑