Analog Devices Switching Regulator: When designing a power supply circuit, if you select a power supply IC taking into account the rush current at power-on, the specifications will be significantly over-specified for the steady-state current. Is there any way to deal with this?

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Analog Devices Switching regulator: If I select a power supply IC considering the rush current at power-on when designing the power supply circuit, the specifications will be considerably over-specified for the steady-state current. Is there any countermeasure?

power management

It is possible to suppress the rush current by using the soft start function to delay the rise of the power supply. Also, if the output capacitor has an extremely large capacity, the rush current will also increase, so pay attention to the capacity of the connected capacitor.

(Published in March 2022)

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