The PMP7389 reference design uses a Wurth Elektroniks transformer that has a 5V 5A output. I can not find this transformer on the WE website. Is there another transformer that can be used with the same specs? What specs do I need to know in order to design…
Other Parts Discussed in Thread: TPS2511 , UCC28610 I am using the 5 AC/DC portion of the PMP7389 design in one of my designs. I have found that my design stops providing 5 volts sometimes when a load is applied. The only way to get it back is to disconnect…
Hello Hagen,
I reviewed your schematic and have the following comments.
There should be rectifier diode between pin 7 of the transformer and capacitor C8 and C9.
There should also be a connection to pin 8 of the transformer and capacitor C8 and C9…