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 <title><![CDATA[手机充电器改24V电源&nbsp;&nbsp;？]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1373129.html]]></link>
 <description><![CDATA[Latest 50 replies of 手机充电器改24V电源&nbsp;&nbsp;？]]></description>
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 <description><![CDATA[电容是储能元件，不是升压元件 无论并联还是串联，都不能升压。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1373129#1255943.html]]></link>
 <author><![CDATA[seservice]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 27 Apr 2012 06:53:37 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[买个升压模块了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1373129#1255931.html]]></link>
 <author><![CDATA[82816320]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 27 Apr 2012 06:32:51 +0000]]></pubdate>
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 <description><![CDATA[并联会升压吗]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1373129#1255746.html]]></link>
 <author><![CDATA[a115285978]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 27 Apr 2012 02:02:04 +0000]]></pubdate>
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 <description><![CDATA[5V并联应该还是5V，怎会是10V？不解 [s:17]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1373129#1255740.html]]></link>
 <author><![CDATA[lwtxiong]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 27 Apr 2012 01:55:31 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[学习了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1373129#1255693.html]]></link>
 <author><![CDATA[eb545]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 27 Apr 2012 01:05:56 +0000]]></pubdate>
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 <description><![CDATA[[attachment=82626] 
再上个图
如果改的话，13003开关管可能需换成13005，6。2V稳压管也需换，输出电容可能是10V或16V的耐压，需换成50V，决定振荡频率的阻容元件也要调整更换，
这样一整还不如自己做一个得了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1373129#1252276.html]]></link>
 <author><![CDATA[zxrom]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 22 Apr 2012 02:25:21 +0000]]></pubdate>
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 <description><![CDATA[用三个充点电并联?想改成24vD ?
看来楼主&nbsp;&nbsp;对什么是&nbsp;&nbsp;并联电路，串联电路概念还不了解啊！
初中时候就学过拉！难道是忘了吧！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1373129#1252270.html]]></link>
 <author><![CDATA[ngch]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 22 Apr 2012 02:15:13 +0000]]></pubdate>
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 <description><![CDATA[另外还有功率问题，开关管也是按5V500mA的耗散功率来选用的，如果升到24V，电流仍是500mA，则功率是翻了近5倍了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1373129#1252263.html]]></link>
 <author><![CDATA[zxrom]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 22 Apr 2012 02:05:59 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[恐怕不行，输出元件的耐压值等参数都是按5V来设计选用的，除非你把相关元件都换了，然后再调整开关频率，不是那么简单就能解决的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1373129#1252256.html]]></link>
 <author><![CDATA[zxrom]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 22 Apr 2012 01:56:19 +0000]]></pubdate>
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