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TPS53321: Missing information in the Datasheet

user5041403
Prodigy 10 points
Part Number: TPS53321

Hi,

I need to now how must current the internal LDO require during normal operation and at startup.

The only information the datasheet contains are information about shutdown current IDDSDN = 5uA and standby current IDD = 2.2mA.

Could you please help me with this?

Best regards,

Peter

  • 0
    TI__Guru**** 191445 points
    Peter,

    That information is not directly available. However the TPS53321 does not use the VDD supply for any of the switching functions, so the VDD operating current should be very close to the VDD standby current that is specified in the datasheet.