uln2003应用电路如图.2003的应用电路,7脚接输入,10脚负载R,问:当7脚为高,负载接通,那电流是流向如何?7脚入,10脚入,8脚出?8好像没和其他脚连接啊电路是http://www.21ic.com/app/control/201002/54085.htm 文
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![uln2003应用电路如图.2003的应用电路,7脚接输入,10脚负载R,问:当7脚为高,负载接通,那电流是流向如何?7脚入,10脚入,8脚出?8好像没和其他脚连接啊电路是http://www.21ic.com/app/control/201002/54085.htm 文](/uploads/image/z/7924634-26-4.jpg?t=uln2003%E5%BA%94%E7%94%A8%E7%94%B5%E8%B7%AF%E5%A6%82%E5%9B%BE.2003%E7%9A%84%E5%BA%94%E7%94%A8%E7%94%B5%E8%B7%AF%2C7%E8%84%9A%E6%8E%A5%E8%BE%93%E5%85%A5%2C10%E8%84%9A%E8%B4%9F%E8%BD%BDR%2C%E9%97%AE%EF%BC%9A%E5%BD%937%E8%84%9A%E4%B8%BA%E9%AB%98%2C%E8%B4%9F%E8%BD%BD%E6%8E%A5%E9%80%9A%2C%E9%82%A3%E7%94%B5%E6%B5%81%E6%98%AF%E6%B5%81%E5%90%91%E5%A6%82%E4%BD%95%3F7%E8%84%9A%E5%85%A5%2C10%E8%84%9A%E5%85%A5%2C8%E8%84%9A%E5%87%BA%3F8%E5%A5%BD%E5%83%8F%E6%B2%A1%E5%92%8C%E5%85%B6%E4%BB%96%E8%84%9A%E8%BF%9E%E6%8E%A5%E5%95%8A%E7%94%B5%E8%B7%AF%E6%98%AFhttp%3A%2F%2Fwww.21ic.com%2Fapp%2Fcontrol%2F201002%2F54085.htm+%E6%96%87)
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