Analog Devices Isolated Switching Regulator: In the pin function description column of the ADUM4472 data sheet, it is stated that the primary side power supply voltage is 3.0 to 5.5V. On the other hand, the recommended operating conditions state that VDD1 should be used at 3.3V or 5.0V. Will it not work if the input power supply voltage is 4.2V?

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Analog Devices Isolated Switching Regulator: The ADUM4472 datasheet pin function description lists a primary supply voltage of 3.0 to 5.5V. On the other hand, the recommended operating conditions state that VDD1 should be used at 3.3V or 5.0V. Will it work if the input power supply voltage is 4.2V?

Interface & isolator

The recommended operating conditions in the data sheet are the evaluation conditions when specifying the specifications by the manufacturer.
It has been confirmed that it works at 3.3Vin/5Vout, so it will also work at 4.2Vin/5Vout.

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