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.

关于TL494误差放大器的疑问

Other Parts Discussed in Thread: TL494

利用TL494设计的升压电路

15脚通过两个10K电阻分压Vref,则15脚的输入为2.5V

16脚为输出电压反馈,通过150K和7.5K分压,实测输出电压为32V,实测16脚的输入电压为1.5V

那既然误差放大器(无负反馈)的两端不一样,那误差放大器的输出该很大吧,应该是多少,输出占空比我怎么就算不明白了呢