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How to get rid of noise of LDO?

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liletian

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I design a LDO myself, but the output noise is pretty high, about 100mV, How to get rid of noise of LDO?
Thanks
 

You need to supply a pic of your circuit and test data.

There are many reasons for noise and/or oscillation.

also search: LDO design issues
 

Please atteach your arch of LDO.
 

Use differential circuits. It might help
 

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