基于UCD3138设计的板子,输出12V, 现在想设置输出低压保护 程序中![]()
请问这个 40 这怎么是7v呢?(这是参照TI的PSFB-027的程序) 按照手册好像是 1位是19.53mv 谢谢!
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127对应的是2.5V满量程输入,然后2.5V满量程对应的外部电压多少你应该是知道的。
也就是说满量程外部电压为 (7/40)*127=22.5V