[SI-LIST] Additional Power Planes causing Slow Power Supply Response

  • From: "Baze, Rick" <Rick.Baze@xxxxxxxxxxx>
  • To: <si-list@xxxxxxxxxxxxx>
  • Date: Mon, 3 May 2004 07:47:58 -0700

Hello,

A recent PCB design required ganging three power supplies together.  In =
turn, three power planes are connected on the PCB.  Using typical =
decoupling capacitors at the initial contact point on the PCB, it was =
noticed that the power supplies are slow to respond.  A similar design =
ganged two supplies and the PCB had two power planes.  No power supply =
issue were seen.  What would cause this problem and what suggestions are =
there to remedy is problem?

Thanks,
Rick Baze

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