使用ISO7220C来转换信号,3.3V到5V,都是低频信号,但是现在ISO7220C会发热,稍微有点烫,这样正常吗,有没有什么地方我没注意到,
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能正常工作吗? 芯片工作过程中发热是正常的, 可以粗略的计算下结温,这款的最大结温不超过150度。
Tj = Ta+ Pd * thetaJa