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Power & Energy
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36V输入3.6V输出的电源应该采用什么电路 ？
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36V输入3.6V输出的电源应该采用什么电路 ？
urmif
over 14 years ago
在一个控制电路中，要用单片机控制继电器，继电器是36V的，因此要从36V的直流电压上得到3.6V的电压给单片机供电，电流20mA左右，不知道大家有什么好用的方法。
