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关于tps54331负压生成的疑问

Other Parts Discussed in Thread: TPS54331

我网上找到了一个负压生成电路,原理图如下,理解了原理后,做出来使用了,感觉效果还不错,但是根据tps54331芯片数据手册的数据,有点小小的疑问,希望有人指教一下:最大负压输出达到-15V时,测VSENSE处的电压时,发现电压有-14.17V,可是芯片手册上说这个引脚的电压时-0.3到3V,所以有疑问,这样不会烧坏芯片吗??