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XTR111: 30V供电,输出电流开路时,VG引脚输出电压会超过MOS管的VGS,导致MOS管损坏

Part Number: XTR111

30V供电,输出电流开路时,VG引脚输出电压会超过MOS管的VGS,会导致MOS管损坏?是不是电源电压不能超过mos管的VGS?

  • 您好,

    只有加在MOS管上的某个参数超过其最大绝对额定值才会导致MOS管损坏,仅看MOS管的栅极电压是不能判断是否会使它损坏的。如果MOS管的栅极-源极电压超过了所选MOS管最大绝对额定值,那么它就会损坏。如datasheet截图所示,给出了可以选择的MOS型号