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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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How does a high-voltage IPD detect temperature for thermal shutdown?
The thermal shutdown temperature is detected by monitoring the forward voltage (VF) of a temperature detection diode on a chip.
The forward voltage of the diode has a temperature coefficient of roughly -2 mV/°C. The forward voltage of the temperature detection diode is compared with the internal reference voltage, and when the forward voltage falls below the reference voltage because of an increase in temperature, the thermal shutdown threshold is tripped to protect the IPD from excessive temperature.
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