公司有个项目用到了LTC3688电源芯片(12V转1V),原理图下图所示,可是测试得到的结果,发现纹波太大,我们加大了电感从0.47uH加到4.7uH 纹波幅度减小了,但是还是挺大的纹波,不明白那里出问题了,望哪位大神帮忙解答下 谢谢!


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公司有个项目用到了LTC3688电源芯片(12V转1V),原理图下图所示,可是测试得到的结果,发现纹波太大,我们加大了电感从0.47uH加到4.7uH 纹波幅度减小了,但是还是挺大的纹波,不明白那里出问题了,望哪位大神帮忙解答下 谢谢!

