PCB Design for Voltage Regulation

flux

  • Set Input Voltage to "3V"
  • Set Output 1 to "5V, 30mA current limited"
  • Set Output 2 to "12V, 30mA current limited"
  • Set Board Size to "50mm x 50mm"

flux

  • Set Layout's sizeX to "50mm"
  • Set Layout's sizeY to "50mm"
  • Set Layout's boardShape to "rectangle"
  • Set Layout's cornerRadius to "2mm"
  • Set Layout's stackup to "Standard 4 Layer"
  • Set Layout's boardInsetMargin to "0.2mm"
  • Set Layout's keepOut to "0.2mm"

flux

I chose a 4-layer layout as the safer default for this power board: top and bottom for routing, one solid ground plane, and one internal power layer. That gives cleaner return paths and better noise control around the two switching regulators.

Working...

130d 18:48:57

Read layout.
Started: defining 50 mm board constraints...
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    Spontaneous Peach Sonic Screwdriver thumbnail
    50 mm x 50 mm power-conversion board with a 3 V input and two separate regulated outputs: 5 V and 12 V. Each output is limited to 30 mA and includes the required boost-converter support components, decoupling, filtering, and output current-limiting stages. The design target includes schematic completion plus PCB/layout feasibility and manufacturability review.

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