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5V转3.3V的19种电路
点击上方蓝字关注我们,不错过任何一篇干货文章! 一、使用LDO稳压器,从5V电源向3.3V系统供电 标准三端线性稳压器的压差通常是 2.0-3.0V。要把 5V 可靠地转换为 3.3V,就不能使用它们。压差为几百个毫伏的低压降 (Low Dropout, LDO)稳压器,是此类应用的理想 ...
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