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LM5116+MOS管

Other Parts Discussed in Thread: LM5116

Hi support!

我们项目用到了LM5116,之前的用的MOS管是AON6298规格书见附件,后来尝试换替代料TPW2R508NH,发现有个问题:换了MOS管之后,加负载,输出电压被拉低,下MOS管G极信号不是PWM。对比了两个MOS管之间的差异,发现AON6298的输入结电容为1307pf,TPW2R508NH的输入结电容为4600pf,请问,是不是结电容的影响,导致换了MOS管之后,输出不正常,谢谢!

场效应管.rar