... 最高工作电压 maximum operating voltage 最高容许电压 maximum permissible voltage 最高输入电压 maximum input voltage ...
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In the event of an overload when ILOAD exceeds its maximum permissible value, the increase in voltage across R6 results in sufficient base-emitter voltage to turn on Q2.
当iload超过最大允许值时发生过载情况，R6上的电压增大导致基极-发射极电压足够大到导通Q2。
When choosing a value for R6, ensure that Q2's base-emitter voltage is less than approximately 0.5V at the maximum permissible value of the load current.
选择R6的阻值时要确保在负载电流的最高允许值的条件下，Q2的基极-发射极电压大约低于0.5V。
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