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Forum Post: LM3481 Evaluation Board and EMI Pitfalls

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TI Team,

I have two requests. First, can I get the design files (gerber files) for the LM3481EVAL board? http://www.ti.com/lit/ug/snva304/snva304.pdf

Second, with the proposed layout on the evaluation board, was there any EMI testing done particularly with respects to FCC Radiated Emissions Class A and B? If so, what elements on the evaluation board should we be particularly concerned with?

Lastly, to minimize EMI from the switch node, is there a way to control the slew rate of the FET drive? If you have any other suggestions on devices that would address my concerns please feel free to make your recommendations:

Vin: 11.5

Vinmax: 12.5

Vout: 12V Iout: 3A

-David


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