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利用LM5145进行48V转24V,输出24V,电压稳不住会不断下降,而且改变输出电容的大小对输出电压也有影响,如果不放置输出电容电压会高于30V,如果放置三个2.2uF/100V,输出电压只有12V,并且不断上升,如果放置三个47uH/50V,电压会从20V不断下降,不知道怎么回事