Part Number: PMP21455 Other Parts Discussed in Thread: UCC28881 , , PMP20708 In your reference design PMP21455, UCC28881's Pin 4 (named as output in the datasheet) is fed from an external current source.
Is that correct? Why are you suggesting to use…
Part Number: PMP21455 Dear Sir or Madame,
I have built your reference design and during that process noticed that the schematic symbol (pinout) for the transformer is wrong at least for the secondary side.
Could you confirm?
Best regards
Lukas
Hi, Vikram
There are many reference designs using UCC28881 for isolated power supply, below reference design is recommended.
https://www.ti.com.cn/tool/cn/PMP21455
BR,
Yunsheng