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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1517024/ucc28c52-q1-hv-start-stacked-600-v-depletion-mode-mosfets
工具/软件：
神父：
客户想知道为什么 Vth (Q2)=1V？ 谢谢。
您好、
旨在使 Q2的 VGS =-1V BSS126 ID 可以承载电流1.3mA、每次需要启动时具有一定的设计裕度。
