 rail capacitors for noise
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IamSmooth
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Fri Dec 13 2019, 06:39PM
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Registered Member #190
Joined: Fri Feb 17 2006, 12:00AM
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Posts: 1567
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I have a 330uf capacitor on a switching chip on the V+ pin so it has enough amperage to drive the gate of a switch. Would I still need to add a 0.1uf capacitor for noise spikes, or is the 330uf capacitor sufficient to handle both situations?
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2Spoons
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Registered Member #2939
Joined: Fri Jun 25 2010, 04:25AM
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Posts: 615
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Generally yes, you should add the 100nF cap. Check the impedance vs frequency spec for your caps, so you cover the areas needed
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