MC34167输入电容过大会导致启动过载(短路,拉低输入电源),因为有三个电路共用输入电容(470*3=1500uF).
没有根据DEMO板画板,不知道是不是跟布线有关,还是怎么回事.做正电源正常.不知道大家遇到这个情况没有.
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