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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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What is the thermal shutdown (TSD) that is available with LDO regulators?

Figure 1 Example of thermal shutdown characteristics of an LDO regulator
Figure 1 Example of thermal shutdown characteristics of an LDO regulator

The thermal shutdown (TSD) function monitors the chip temperature of an LDO regulator and turns off its output to prevent chip degradation or destruction in the event of an excessive rise in chip temperature caused by a shorted load, an output-to-GND short-circuit, a rise in the ambient temperature, or self-heating.

When TSD is tripped, the output turns off, causing chip temperature to decrease. TSD has a hysteresis. The output automatically recovers normal operation when the chip temperature drops to the TSD recovery temperature.

To perform a parametric search of LDO regulators with a thermal shutdown function, click:

For other LDO regulators, visit the main web page of LDO regulators at:

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