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add UDC-QFN-20-4EP_3x4mm_P0.5mm_EP0.41x0.24mm

Armin Schoisswohl requested to merge armin.sch/kicad-footprints:LT-UDC-QFN20-4EP_3x4mm into master

This package has ben created by modifying a generated QFN-20-1EP_3x4mm_P0.5mm footprint in the following way:

  • remove the generated exposed pad (and paste)
  • add the 4 exposed pads (21 - 24)
  • slightly reduce the 20 outer pads on the internal side by 0.25mm to get to the recommended inner clearance of 2.5x2.1mm

This package is required for Analogs LT3033xUDC LDO (see kicad-symbols!4280 (merged))

Datasheet:

https://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/ltc-legacy-qfn/05081536_B_UDC20(AB).pdf

ds

Screenshot:

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Edited by Armin Schoisswohl

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