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关于TL3472用于LED闪光驱动

Other Parts Discussed in Thread: TL3472, TPS92641

实际应用过程发现,不是所有的TL3472都能工作在我们想要的状态,但是可以确定元件没有损坏。现在是怀疑电路设计存在不足,附上电路图,请求各路大神修改指正。谢谢!!!