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Updated to: "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."

Set System Architecture to "flowchart TD A[3V Input] --> B[5V Boost Converter] A --> C[12V Boost Converter] B --> D[5V Current Limiter 30mA] ..."

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"

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"

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