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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.
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The short-circuit protection function prevents excessive current from flowing by stopping operation when the power supply line or load is short-circuited due to some kind of abnormality.
In TCKE800 / 805/812 series, if the output current is 1.6 times the current limit (ILIM) for a very short period of time, the output is judged to be short-circuited and this function operates.
On the other hand, overcurrent protection is a function that limits the current flowing through the eFuse IC by the overcurrent limit value (determined by ILIM).
For example, if you connect a large capacitive load to the VOUT pin, Overcurrent protection limits the large current below a certain level after power-on.