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.

DCDC如何实现动态电压调节?

Other Parts Discussed in Thread: TPS40077, LM5116, TPS40400

想用LM5116或者TPS40077实现一个20A的DCDC,将12V转换为5V~8V,用单片机调节输出电压。看了网上有说通过DAC加二极管和电阻接到FB脚实现,谁能详细的介绍下原理,给个参考电路,以及注意事项等。TI有没有相关的应用文档可供参考呢?