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LM3421: 无法限制升压,如Vinput=24V,Vled=24V。无法限制Vled是24V

Part Number: LM3421

1,原理图7673.lm3421-CST.pdf

2,如题:我参数也是这样设置,12.4K,和560K,但是我针对这2个电阻 无法调试参数,如我调试:12.4K变为15K,则就会变得关闭,因为这个属于OVP,电压超过1.24V。就保护了。

该如何设置电压到24V的方式?【设置高低电阻都无法解决电压稳定在Vled=24V】

参考计算方法: