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About information presented in this cross reference

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.
Please note that this cross reference is based on TOSHIBA's estimate of compatibility with other manufacturers' products, based on other manufacturers' published data, at the time the data was collected.
TOSHIBA is not responsible for any incorrect or incomplete information. Information is subject to change at any time without notice.

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热关断功能和恢复工作

热关断功能和恢复工作

如果eFuse IC中的过电流或过电压状况持续很长时间,并且IC温度超过设定温度,则IC将处于待机状态,以关闭输出并防止其被热关断功能损坏。东芝eFuse IC通过过电流的热关断功能关闭内置MOSFET的电源。自动尝试(自动重试)功能将在温度下降时自动恢复,锁存型(锁存)功能将在温度下降时释放温度。

在过电流钳位或过电压钳位短路保护运行时,当内部热关断功能工作且输出关闭时,有两种方式释放输出。当eFuse IC内部温度下降时,自动重试型产品将自动恢复,无需外部信号。锁存型的产品将通过重新进入控制启用终端进行恢复。根据使用零件选择最佳类型。

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