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Analog Devices Switching regulators: Since the required voltage accuracy is strict, is it possible to use a variable resistor to vary the voltage input to the FB pin and adjust the output voltage?

power management

A common method is to adjust the divided voltage of the FB pin to change the output voltage.
However, it is safe to combine it with a fixed resistor so that abnormal voltage does not occur due to open or short circuit.
Analog Devices PSM (Power System Management) requires no adjustments and absorbs changes due to aging.

(Published in March 2022)

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