PMP4190: Reference design File PMP4190

Hi,

I have design SMPS using of PMP4190.

I/P-3 VDC to 6VDC

O/P-5V/400mA with 1500VDC isolation

I am structing Transformer. As per reference design I am not found transformer.

So Please me suggest alternate part number of transformer.

OR share me transformer design file.