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您好、Makoto:
感谢您关注 LM5108半桥驱动器。 考虑到将电源板连接到接地层来优化热传导、应该将通孔分布在电源板边界上以获得一致的热阻。
一个考虑因素也许是保持电源焊盘的中心没有通孔、以避免过多的焊锡膏渗进通孔。
此致、