transformer calculations

konstantinos pappas

Dear forum,

I have design a solution from AC to DC in webench the online tool from Ti. The problem i have is how to calculate the transformer (core , turns etc) from the information that webench provide to me

?4628.webench_design_PSU.pdf

over 11 years ago

0 Kening Gao over 11 years ago

TI__Expert 5900 points

Hi,

You can use the transformer of PMP4336 as a start point.

http://www.ti.com/tool/pmp4336

http://www.ti.com/lit/ug/sluua53/sluua53.pdf

Regards

0 Kevin E. Enser over 11 years ago

Prodigy 60 points

Konstantinos,

www.ti.com/lit/ml/slup127/slup127.pdf‎

Gives a step-by-step. Basically you need 490uH @ 5.3Apk (Eq. 5) for your primary turns. You can e-mail me at kenser@rencousa.com if you need help with the design.

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transformer calculations