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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.
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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短路保护功能
当电源线或负载因某种异常而发生短路时，短路保护功能通过停止运行来防止过电流流过。在TCKE800/805/812系列中，如果在很短的时间内输出电流为限制电流（ILIM）的1.6倍，则判断输出短路，此功能运行。
短路保护波形
东芝的eFuse IC使用高速运行的短路保护电路（快速跳闸功能）。
上图显示了模拟快速跳闸功能的工作波形（*）。
仿真结果表明，在发生短路后的150ns（典型值），电流被抑制至接近零。
* 在实际电路中，由于布线等寄生电阻和电容的影响，工作波形可能有所不同。
