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Reverse voltage protection of TPS7A49

Takahiro Nishizawa
Genius 5575 points
Other Parts Discussed in Thread: TPS7A49

We have questions about TPS7A49.

We try to use external diode for reverse voltage protection about TPS7A49.

Please tell us the important point when we choice  external diode for reverse voltage protection.

What product should we choose?

VF : below --V?

reverse current : below --A?

Best regards,

Takahiro Nishizawa

  • 0
    TI__Prodigy 515 points

    Hello Takahiro:

    In general, using a Schottky diode between input and output, or a diode before the LDO helps protecting the LDO from reverse current damages when the Vout exceeds the maximum rating Vout < Vin +0.3V. 

    Regards,

    Min Hudgins