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LM5001 boost模式FB电阻计算公式是什么?

Other Parts Discussed in Thread: LM5001

LM5001 boost模式,输入12-24V,输出38V,怎么计算FB电阻?手册上没有呀,只能用wenench算吗?webench貌似也不能修改FB电阻值啊

补充:按照VfbX(1+R1/R2)计算,实际误差有0.2 0.3V的样子,温度是否能引起这么大误差?室温10多度,看Vfb温度曲线不应该有这么大误差。