频率通过CT、RT可算,但是占空比怎么算啊?我不知道占空比,那就没法算变压器的原边有效电压?
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你好:
关于Max Duty的计算,可以参考www.ti.com/.../slua173.pdf 里面有详细的计算方法.
或者可以根据RT的值在http://www.ti.com/lit/ds/slus224d/slus224d.pdf 中的第7页的Oscillator Section找到相应的Max Duty.