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My Very first fully custom PCB looking for Schematic Input and maybe any errors.

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SirAlucard:

--- Quote from: NivagSwerdna on June 07, 2020, 02:05:34 pm ---
--- Quote from: sokoloff on June 07, 2020, 11:24:19 am ---No one’s worried about the level of polish or the final parts selection.
--- End quote ---
Hm... reusing a 220uF electrolytic that was lying around might not work.... depends on ESR.... check the specs.  In my experience TI Webbench doesn't always get it right... or that's my theory anyway. (i.e. better to have a bit more headroom L wise)

--- End quote ---

It wasn't a 220 that was laying around, it was the 220 that was purchased for the v1 of the board, that's what I meant by reusing it.

n1ist:
Switchers are very sensitive to layout, especially if you want to avoid EMI issues.  If you look at the data sheet, they have a suggested layout.  Note the high-current paths are short and done with pours. 

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