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.

TLV62569: 用TLV62569做1.2V和1.8V的buck电路,输入5V。1.8V的输出波形有明显的脉动,该如何调整

Part Number: TLV62569

用TLV62569做1.2V和1.8V的buck电路,输入5V。看规格书配的电感和反馈电阻,电容都用的220uF。但是输出的1.2V是直线(绿色),1.8V(蓝色)就有明显的脉动,增大电容和电感没有任何改善,请问改如何调整,为什么只有1.8V输出有问题