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LP5907: Can LP5907MFX-1.2/NOPB be used for DS90UB948-Q1 1.2V supply?

YT
Prodigy 110 points
Part Number: LP5907
Other Parts Discussed in Thread: DS90UB948-Q1, ,

Will use 1 lane coax type for DS90UB948-Q1, LP5907 is cheaper, but is it suitable and the current enough? 

  • 0
    TI__Guru 55940 points

    Hi ,

    Yes it is possible to use LP5907-Q1 to supply the 1.2 V rail; however, you will want to consider the thermal performance depending on how much load current will be needed and how much headroom (Vin - Vout) you will have in your application.  From the DS90UB948-Q1 datasheet it looks like the 250 mA rating for LP5907-Q1 does satisfy the maximum current specification of IDD12.

    Very Respectfully,

    Ryan