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TL494和ir2110驱动问题

Other Parts Discussed in Thread: TL494

用TL494做脉冲发出,脉冲为28KHZ,已完成

但是在后续驱动上的使用出现问题,IR2110作为IRF450mosfET管得驱动,出现了问题:

1 IRF450驱动电阻24欧总是烧,尤其是从ir2110低端出来的那个连接电阻 

2 是ir2110的高端输出无输出脉冲,不知道这是怎么一回事,ir2110驱动两个IRF450。