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TPS563210A: Set EN pin to high before Vout reaches GND level

Takahiro Saito
Expert 5455 points
Part Number: TPS563210A

Hi team,

My customer is using TPS563210A.

When the device is turned off by set EN to Low, is there no problem to enable (EN->High) the device again before Vout reaches to the GND level?

Regards,

Saito

  • 0
    TI__Genius 9540 points

    Hi,

    There is no problem to ENable devices when the Vout has "pre-biased ".

    If the output capacitor is pre-biased at startup, the devices initiate switching and start ramping up only after the internal reference voltage becomes greater than the feedback voltage VFB. This scheme ensures that the converters ramp up smoothly into regulation point.

    BRs,

    Young