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LTM4622A PGOOD pin

Category: Hardware
Product Number: LTM4622AEV#PBF

Hi ,

I would like to ask about the PGOOD pin.

Now, I am designing LTM4622AEV#PBF in a parallel mode Vin 12 V Vout 5.7 V Iout 4 A.

In datasheet, I found PGOOD pin in the simplified circuit has resistor pull up to INTVCC pin.

Is it able to use the resistor pull up to the output at PGOOD pin?

Thank you for taking the time.

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  • FormerMember
    +1 FormerMember
on Jun 19, 2022 7:26 PM

Hello,

I'm not sure if I understood your question right.

Are you asking if you can pull up the PGOOD pin to the output voltage? If it is, then the answer is yes. PGOOD1 & PGOOD2 have an absolute maximum of 18V and your output is only at  5.7V so this should be ok.

Regards,

Jhun

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  • FormerMember
    +1 FormerMember
on Jun 19, 2022 7:26 PM

Hello,

I'm not sure if I understood your question right.

Are you asking if you can pull up the PGOOD pin to the output voltage? If it is, then the answer is yes. PGOOD1 & PGOOD2 have an absolute maximum of 18V and your output is only at  5.7V so this should be ok.

Regards,

Jhun

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