Low Dropout Regulator Design

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navid eidgah

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how can an ldo with 2 feedback loop be ac analyzed?
my LDO has 2 loops, inner and outer.
which one should be broken so that I can perform AC analysis ?
tnx
 
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Hi Navid,
You should broke each loop one by one and do stability (AC) analysis for it. For LDO stability both loop should be stable.
 

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