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TPS61093 – About rated voltage of flying capacitor (C3)

Guru 21045 points
Other Parts Discussed in Thread: TPS61093, TPS61093EVM-519

Hi Team,

 

My customer would like to use TPS61093 at the following condition.

 

[Condition]

Vin = 3.3V

Vsw = 3.0V to 4.6V (1cell battery)

Vout=12.4V

Iout = 20mA(max)

 

Could you please let me know about recommended rated voltage of flying capacitor (C3).

I believe that the rated voltage is 6.3V, because capacitor of this rated voltage is used on TPS61093EVM-519.

And, I have understood that they can use the capacitor of this rated voltage at all condition.

Is my understanding correct?

 

[TPS61093EVM-519 User’s Guide]

http://www.ti.com/lit/ug/slvu327/slvu327.pdf

 

 

Regards,

Kanemaru