电路设计实例（电源转换电路设计---24V转3.3V或者5V）

CodeAllen嵌入式编程发布时间：2018-10-27 20:40:24 ，浏览量：0

外部提供 7~36V 电源，有板载 DC-DC

电源芯片转换得到 5V 电源，开发板使用的电源芯片型号为 LM2596S-5.0，该芯

片最大可输出 3A 电流

3.3V 电源则是利用 LD1117-3.3（TO-252-2 封装，方便散热）芯片从5V 电源转换得到

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电路设计实例（电源转换电路设计---24V转3.3V或者5V）

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