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qinchenglim
級別: 論壇先鋒
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樓主  發(fā)表于: 2015-03-21 07:28
現在機器里面有一個(gè)DC24電源 ，老板弄了一批電磁閥是DC12V的。目前手頭上有UA7818和UA7812.
方案1：DC24V電源+UA7818+UA7812 ,這樣逐級降壓。
方案2：DC24V電源+UA7812，一次到位。
有人說(shuō)方案1穩定，電壓跨度小。   也有人說(shuō)方案2省事，可以不要UA7818。
電子方面厲害的大神幫忙看看用哪個(gè)方案？先謝謝大家。
youxuemin888
級別: 探索解密
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1樓  發(fā)表于: 2015-03-21 08:54
最簡(jiǎn)單的是加一個(gè)220變24V的開(kāi)關(guān)電源

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