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层层分解电源电路,精确到每个元件,这样分析事半功倍!
电源激活的瞬间,由于C1 (一次侧滤波电容)短路,导致Iin电流很大,虽然时间很短暂,但亦可能对Power产生伤害,所以必须在滤波电容之前加装一个热敏电阻,以限制开机瞬间Iin在Spec之内 ...
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