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PCB ? METAL ? AND ? COMPONENT ? PLACEMENT ?
15A ? Highly ? Integrated ? SupIRBuck TM ?
IR3477 ?
? Lead ? lands ? (the ? 13 ? IC ? pins) ? width ? should ? be ? equal ?
to ? nominal ? part ? lead ? width. ? The ? minimum ? lead ? to ?
lead ? spacing ? should ? be ?≥? 0.2mm ? to ? minimize ?
shorting. ??
? Lead ? land ? length ? should ? be ? equal ? to ? maximum ?
part ? lead ? length ? + ? 0.3 ? mm ? outboard ? extension. ?
The ? outboard ? extension ? ensures ? a ? large ? toe ? fillet ?
that ? can ? be ? easily ? inspected. ?
?
?
? Pad ? lands ? (the ? 4 ? big ? pads) ? length ? and ? width ?
should ? be ? equal ? to ? maximum ? part ? pad ? length ? and ?
width. ? However, ? the ? minimum ? metal ? to ? metal ?
spacing ? should ? be ? no ? less ? than; ? 0.17mm ? for ? 2 ? oz. ?
Copper ? or ? no ? less ? than ? 0.1mm ? for ? 1 ? oz. ? Copper ? or ?
no ? less ? than ? 0.23mm ? for ? 3 ? oz. ? Copper. ?
?
Figure ? 31: ? Metal ? and ? Component ? Placement ?
* ? Contact ? International ? Rectifier ? to ? receive ? an ? electronic ? PCB ? Library ? file ? in ? your ? preferred ? format
18
March ? 27, ? 2013 ?? | ??? V2.5 ?? | ?? PD97604
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