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Switching node noise

A clue provided by the customer is that a ceramic cap from SW to ground helps. So yes, noise is also an issue here. Hearing this, I would have immediately suggested a PCB layout review, and if necessary a small RC snubber (lOQ to lOOQ in series with a 470pF to 4.7nF capacitor) between SW node and ground. The advantage of an RC snubber instead of just a C is that the energy in the capacitor is dumped in the R of the RC snubber, not in the switch. [Pg.271]

See other pages where Switching node noise is mentioned: [Pg.91]    [Pg.150]    [Pg.152]    [Pg.76]    [Pg.135]    [Pg.137]    [Pg.241]    [Pg.244]    [Pg.394]    [Pg.76]    [Pg.135]    [Pg.137]    [Pg.286]    [Pg.338]    [Pg.58]    [Pg.630]    [Pg.308]    [Pg.1298]    [Pg.158]    [Pg.414]   
See also in sourсe #XX -- [ Pg.135 ]

See also in sourсe #XX -- [ Pg.135 ]

See also in sourсe #XX -- [ Pg.135 ]



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