使用PTH08T241WAZ给系统供电,典型的12V转3.3V电路。
现象如下:
输出电压正常3.3V左右,大概过几十秒,PTH08T241WAZ变得特别烫手(在这之前没注意这块,已经烫坏了一个模块),整个板子也变得热起来;但是同一个电路中,5V转2V,使用的同一个模块,温度正常。
电路如下:
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