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Linear AC/DC adapters, or “wall warts”, have applications in both battery charging applications
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如何简化 AC/DC 适配器设计
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采用L4990设计的AC DC适配器
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作为AC/DC转换的方法之一,也就是安装变压器,以变压器为主的方法。图3是采用变压器方式的一般构造。在此以输入电压100VAC为例。通过变压器,将100VAC降压(变压)至可获得所需DC电压的
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使用开关元件的AC/DC转换方式如图5所示。开关方式为一开始先用桥式二极器,整流100VAC。变压器方式,会先利用变压器降低AC/AC电压,但开关方式却是直接整流高
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是单纯将DC转换成DC而已。一整流-平滑后以开关DC/DC转换原理先说明整流AC后再转换成
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在此将说明AC(交流)电压转换成DC(直流)电压的基本方法,变压器方式和开关方式。此外,也将进行变压器方式和开关方式的比较探讨总述。首先,“为何必须AC/DC转换?”让
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采用L4990设计的AC DC适配器
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DC/AC逆变器,DC/AC逆变器的基本原理是什么? 背景知识: DC/A
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