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Part Number: PMP11254
Please share an alternate Magnetics part number for this component 749022016 as it is unavailable to purchase online.
Can I use 749022011 in the EVM board as alternate for this ?
No you can not use that part as a substitute. Please contact Wurth as they are the ones that did the magnetics design.
Vaidyanath, Swaroop <Swaroop.Vaidyanath@we-online.com>
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In reply to Robert Taylor1:
I have initiated mail communication Mr Swaroop. He is checking this. Thanks
Can we optimize the flyback transformer size by increasing the switching frequency of the IC thereby saving the board space ?
What are the factors which influence flyback transformer size ?
In reply to Anand Krishnan M1:
It is possible to reduce the size by increasing the fsw, but you need to watch the thermal dissipation.
Increasing the fsw will reduce the efficiency and thus cause the board to get hotter.
According to the test report the temperatures of the components are all below 60C, so there may be some room depending on your ambient temp.
In addition however, the transformer is already quite small, so I am not sure that you will be able to reduce the size much.
Is there any application note available for the calculation of input filter before the flyback transformer and output filter after the same ?
Please check the following
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