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.

TPS53353的应用问题

Other Parts Discussed in Thread: TPS53353

您好!对于TPS53353在我的板卡上的应用为:12V输入、1.2V/8.55A输出。帮忙check一下原理图(Fsw=750K),对应的设计如下:

                       

         问题:我用的是Forced CCM模式,能否将PGOOD用3.3V上拉?因为Datasheet中介绍Forced CCM模式下,MODE管脚是与PGOOD连接在一起的。参考设计中都是将PGOOD用VREG上拉的。我需要用PGOOD信号做监测,而由于接收芯片的限制,我对于PGOOD信号的输入要求是3.3V。

TPS53353的应用问题.docx