求LM317稳压集成电路的5V直流稳压输出电路图我想用电瓶制作一个输出5伏的稳压电源,即把电瓶的较高电压降至5伏,用于在野外给手机和MP3等数码产品充电,觉得LM317芯片较适合,(不能用7805),
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![求LM317稳压集成电路的5V直流稳压输出电路图我想用电瓶制作一个输出5伏的稳压电源,即把电瓶的较高电压降至5伏,用于在野外给手机和MP3等数码产品充电,觉得LM317芯片较适合,(不能用7805),](/uploads/image/z/3226790-38-0.jpg?t=%E6%B1%82LM317%E7%A8%B3%E5%8E%8B%E9%9B%86%E6%88%90%E7%94%B5%E8%B7%AF%E7%9A%845V%E7%9B%B4%E6%B5%81%E7%A8%B3%E5%8E%8B%E8%BE%93%E5%87%BA%E7%94%B5%E8%B7%AF%E5%9B%BE%E6%88%91%E6%83%B3%E7%94%A8%E7%94%B5%E7%93%B6%E5%88%B6%E4%BD%9C%E4%B8%80%E4%B8%AA%E8%BE%93%E5%87%BA5%E4%BC%8F%E7%9A%84%E7%A8%B3%E5%8E%8B%E7%94%B5%E6%BA%90%2C%E5%8D%B3%E6%8A%8A%E7%94%B5%E7%93%B6%E7%9A%84%E8%BE%83%E9%AB%98%E7%94%B5%E5%8E%8B%E9%99%8D%E8%87%B35%E4%BC%8F%2C%E7%94%A8%E4%BA%8E%E5%9C%A8%E9%87%8E%E5%A4%96%E7%BB%99%E6%89%8B%E6%9C%BA%E5%92%8CMP3%E7%AD%89%E6%95%B0%E7%A0%81%E4%BA%A7%E5%93%81%E5%85%85%E7%94%B5%2C%E8%A7%89%E5%BE%97LM317%E8%8A%AF%E7%89%87%E8%BE%83%E9%80%82%E5%90%88%2C%EF%BC%88%E4%B8%8D%E8%83%BD%E7%94%A87805%EF%BC%89%2C)
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