大家好!请问LDO的输出电容怎么选择。谢谢!
选什么材质的,选电解电容?选瓷片电容?选钽电容?
各种注意事项,
有没有这方面的资料,
感谢!
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Hi
LDO输出电容在datasheet里面必须有说明的,你需要具体芯片具体看。
一般选择陶瓷电容,ESR满足,电容容值足够。
电容在一定的 DC偏置下,容值会缩小,所以我们需要去耐压大一点的电容来保证容值所受的影响较小