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The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.
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支持UVLO功能
许多栅极驱动IC光耦具有UVLO（欠电压锁定）功能，以防止在低电压下发生故障。该功能将停止光耦输出，直到栅极驱动光耦的电源电压达到UVLO释放电压（例如当电源接通时），并防止功率器件在输入电压启动过程中发生故障。当电源电压在运行过程中下降并低于UVLO检测电压时，运行停止。
该功能可防止功率器件驱动不足。当电源电压升高并超过UVLO释放电压时，UVLO被释放。
VUVLO＋：UVLO释放电压当耦合器的电源电压超过此电压时，光耦的输出返回。
VUVLO－：UVLO检测电压当耦合器电源电压降至该电压以下时，光耦输出停止。
栅极驱动IC光耦
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