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TPS51220A: Max. Output Volatge

chentsu chung
Mastermind 6180 points
Part Number: TPS51220A

Hi

Here I have some question:

I'd like to use TPS51220A for 24V-Vin 12V/3.3V-Vout 10A-Iout condition

1. TPS51220A can output up to 12V based on the datasheet, but how about 12.5V? Because I'd like to have some margin.

2. What limits the output voltage to 12V? loop compensation? or anything else?

Thank you.

  • 0
    TI__Mastermind 18510 points
    Hi,
    I think 12.5Vout should be Ok, and i think the serious limitation is CSP/CSN operation voltage rating. recommend don't over 13V (you can refer to page3 table in DS). if you use 12.5V, after adding ripple and overshoot, the margin is smaller. but if total Vout voltage can be controlled under 13V, it should be no problem.

    Regards,
    Yuchang