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LM5088芯片问题

Other Parts Discussed in Thread: LM5088

用LM5088做了一个48V转24V/5A电源,参数都是参考官方提供数据,输出电压一直在4.4V,测量SS脚与FB脚电压,均没有达到1.205V,大概两百多毫伏,去掉SS脚电容后,SS脚与FB脚的电压达到1.06V左右,输出电压为22V。一直怀疑是SS脚处的电容值选的有问题,或者是环路补偿选型有问题,请问有能帮上忙的吗