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PMP22288: transformer

Part Number: PMP22288

The original transformer part number is listed as:  TDK P302264-A1-51 transformer  - this is not available.

A user asked about this ~4 years ago and a datasheet was provided with slightly different specs and an actual order number:  B78311A2439A003  - this is also results in no available products.

This is the 3rd reference design I have found (not just from TI) with an unobtainable transformer.  Turns/wire gauge are also not in spec sheet making a quick custom fab difficult.

Have not found similar alternatives - any help would be greatly appreciated!

I guess I'll do a ground up design, but was hoping to use this proven one.