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.

TPS61089

Other Parts Discussed in Thread: LM3481

TPS61089设计隔离DCDC电源,输出恒流的。有以下几点不太明白的地方,望给予解答:

     1、VOUT管脚不使用,应该如何处理?

     2、FSW管脚选取开关频率的电阻如何计算(因该电阻的计算公式中含有VOUT)?

    3、BOOT与SW管脚之间的电容是否还正常使用?

    4、电流采样通过光耦反馈到COMP端,如何进行计算?同时,FB引脚如何处理?