LM5088和LM5116的工作原理基本相同,效率挺高的,但是我想不明白,LM5088的输入电压40V-75V,空载输出电压才20V(设计电压28V)左右,输出是锯齿波,如果加上负载,电流大于0.5A,输出电压马上达到设计稳压值28V,输出不可能一直接上负载的,补充一点,空载时,电感,滴滴响,输出端接上8欧母到100欧母电阻就不响了,我用的MOSFET管是IRF13001N,输出电压达到稳压值28V,希望各位工程师给点解决的办法。谢谢,联系QQ 703326571
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