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TPS51200 - about Tss

taichi
Expert 1395 points
Other Parts Discussed in Thread: TPS51200

Hello, team

TPS51200's Datasheet is written about Tss of Method of calculation at Figure.1.

TSS = CO x VO / IOOCL

What's IOOCL mean?

Regards

Taichi

  • 0
    TI__Mastermind 35165 points
    Hi Taichi,

    IOOCL is referring to the over current limit. The current limit when the output is regulated is called IVOSRCL in the spec table. IVOSRCL is 3 A min, 4.5 A max. However if VO is outside of the powergood window it is clamped half as described in the soft-start section on page 7. IOOCL should then be 1/2 the IVOSRCL.

    Best Regards,
    Anthony