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Hi team.
I have any questions.
So, could you tell me about this ?
Please help me !
Q1:I'm trying to introduce the following devices to the following specifications, is it possible to use it?
Device:UCC28722
Input Voltage:80V to 250V @ AC
Output Voltage:13V, 15V and other…
Output Power:~20 W @ total
Q2:Is there anything that is ICs with Goood Efficiency that conform to this specification?
Competitor is MIP2E2DMY (Panasonic) and UCC28911 has cost contending is also severe and due to power shortage and I am thinking that UCC28722 with freedom of power for external FET is good.
I could not find a suitable circuit example in the data sheet or "TI Designs", so I asked a question.
Please tell me.
Best regards,
Pokkun (Masumi Sekiguchi)
Hi Pokkun,
Thanks for your interesting in TI's product.
For 20W application , I suggest you use UCC28704, which also a PSR controller , more better on efficiency and lower cost.
And I also found a reference design which output is 12V/2A close to your application. Please find the reference design in attached file.
If you want use SR controller , I proposal UCC24636 can be compatible with UCC28704.