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关于LM5106的全桥驱动问题

Other Parts Discussed in Thread: LM5106

老师们好,我最近用LM5106最全桥驱动,今天刚回来的芯片,焊上之后通电有输出,而且正常,但是不到10秒,输出波形就没有了,

想请教一下我这个是怎么回事?

我是按照这个图接的,然后电阻用的100K,自举二极管用的1N4148,电容用的独石电容105的,

我觉得会不会是我的电容小了?  但是我试过470uf的电解电容也没效果。