导读:DC/DC|分布电源|DC-DC|滤波电容|模块电源|电源模块|隔离电源|分布电源|过载保护|短路保护.详细介绍DC-DC模块电源的典型应用、电压极性变换、外接滤波电容的选择、过载短路保护电路和串并联使用等.在确保安全可靠工作的条件下其滤波电容的最大容值不应超过10uF.一般建议用4.7uF.
本文对DC-DC 电源模块的典型应用、电压极性变换、外接滤波电容选择、过载短路保护电路和串并联使用详细介绍。正确的使用方法可以延长产品的使用寿命,避免干扰、过热、自激、启动不良等现象的出现以及不可修复的损坏。
输出滤波电容器的容值要适当。输出电容太大,很可能会造成启动问题。对于每一路输出,在确保安全可靠工作的条件下,其滤波电容的最大容值不应超过10uF。一般建议用4.7uF。若需获得非常低的纹波值时,可在DC-DC转换器输出端串联了一个电感器,这时输出滤波电容的容值不应太大。
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