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EDN电子技术设计
9 天
PWM控制精度暴跌至6位?揭秘电压稳压器的隐藏陷阱
最近在设计实例专栏中,人们对一系列以脉冲宽度调制(PWM)控制通用型稳压器(包括线性稳压器和开关稳压器)的简易接口电路产生了浓厚兴趣。这类电路的共通点,是利用稳压器内部的电压参考源,并在稳压器的设定电压分压电阻串联一个分立的FET。VCAednc PWM通过 ...
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