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TL3472在断电后,第一级放大的输出端电压下降很慢是为什么? TLV2170就很快。

Other Parts Discussed in Thread: TL3472, TLV2170

最近在做一个放大器振荡产生PWM的应用。发现一个问题:

电源为单端供电24V,使用TL3472时,断电之后,1脚的输出缓慢下降,降到0V要几百毫秒。而换成TLV2170则在20ms左右就降下来了,不知道是什么参数有影响。第一级的放大只是做了一个跟随。