大家好,请问UCD9222在布局时必须和UCD7242靠很近吗?
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在开关电源设计中,通常要求零件与零件之间的距离尽量靠近(布局紧凑),还因为要避免寄生电容,寄生电感的产生而引起不必要的noise。所以不仅仅要PWM信号,其他信号也要注意。