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【LM3150】电源调压问题

Other Parts Discussed in Thread: LM3150

请问,我想把LM3150的输出电压做成可调的,可否将Rfb2或Rfb1的电阻换成数字电位器,进行数字调压。我做过一个板子测试,发现数字电位器放在Rfb1的位置,也就是地和FB脚间电阻,输出为1kHz峰峰值1.5V的三角波震荡,板子为24V输入,5V输出。