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stability check for Charge pump (Read 2440 times)
Won
Junior Member
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Posts: 15
stability check for Charge pump
Jul 24
th
, 2008, 10:11am
Hi, Guys
I try to verify stability of regulated charge pump.
I don't know how to check stability of it.
Do you know how to simulate stability of regulated charge pump circuit?
Best regards,
Won
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Frank Wiedmann
Community Fellow
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Posts: 678
Munich, Germany
Re: stability check for Charge pump
Reply #1 -
Jul 24
th
, 2008, 11:49pm
Use the pstb analysis of SpectreRF. Search this forum for "pstb" for further information.
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wave
Senior Member
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Posts: 117
Silicon Valley
Re: stability check for Charge pump
Reply #2 -
Aug 6
th
, 2008, 3:55pm
assuming this is a switch cap CP regulator,
, another basic way is to run a transient.
Low accuracy probably OK for speed.
Watch the settling response, which would imply Phase Margin. (ie, under/over damped control theory)
the Wave
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