文章对一种只检测交流输入电压而不需要检测输出直流电压的简化单相pfc变换器进行了理论分析和研究。
It theoretically analyzed and studied a simple DC voltage sensorless single APFC converter by detecting an AC line voltage in the paper.
其箝位二极管电流检测(da引脚)甚至在高开关频率的输入电压瞬态时也能保护电路。
Its catch diode current sense (DA pin) protects the circuit during input voltage transients even at high switching frequencies.
检测器本身具有较高的分辨力，使彼此难以分辨的多个输入信号电压中的最大(小)者与其它输入电压间的差距在输出端加大变得易于分辨。
This detector has higher resolution, which makes the differences difficult to distinguish between the minimum (or maximum) input voltage and the rest enlarged and distinguished easier.
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