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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/984981/lmzm33602-actual-pcb-size-will-be-only-7sq-cm-then-what-will-be-thermal-resistnce
实际 PCB 尺寸将仅为7SQ CM、然后是热阻抗
在数据表中、它显示最小 PCB 尺寸为15sq cm、但在我的实际应用中、尺寸仅为7sq cm、那么什么是热阻？
您好！
在定制电路板中很难获得精确的热阻、因为它也取决于您的实际布局。 您可以使用方程式 θJA =(TJ - TA)/P_Loss 来计算它。
