之前在官网上订购了10PCSTPS7A9401DSCR 这款产品现在贴了5PCS其中1PCS可以通过可调电阻去调节输出电压,另外4PCS在调节电阻大小时电压没有变化,麻烦看看是什么情况
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Hi
也就是说改变反馈电阻后,通电再测试,输出电压没有任何变化吗? 此时输入输出电压各是多少?