最近用LMZ30606,空载只有0.56V,另一个片子是0.5V,正常应该是0.8V,加电阻计算3.3V,实际也偏了好多,加满载输出6A电流没问题,效率也挺高的,开关点的波形正常,就是不明白输出为什么会偏低,以为是电容没搭配好,影响反馈,试过好多种电容,情况一样,请问指导一下可能会是那里的问题,谢谢!
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最近用LMZ30606,空载只有0.56V,另一个片子是0.5V,正常应该是0.8V,加电阻计算3.3V,实际也偏了好多,加满载输出6A电流没问题,效率也挺高的,开关点的波形正常,就是不明白输出为什么会偏低,以为是电容没搭配好,影响反馈,试过好多种电容,情况一样,请问指导一下可能会是那里的问题,谢谢!