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How to improve PSRR at high frequency?*(LDO)

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berryfan

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my LDO PSRR,at 1K-80dB,but at 100K is -30dB.HOW can I improve my PSRR at 100KHz
thanks
 

decoupling capacitor? from output to VDD?it must damage the PSRR and PM
 

Hi,
Check it here pls:

K.
 

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