Hi Daniel,
We don't have any reference designs for PD at 20W. The lowest power AC/DC reference design with PD is 45W: https://www.ti.com/tool/PMP40183
For lowest cost solution, I would recommend our new UCC28750 device at this power level. https://www…
Hi Stefan,
Thank you for reaching out.
Unfortunately most offline flybacks (especially PSRs) like UCC2871x/ UCC28700/ UCC28730 etc. have constant current control. So there are no other options in this family of devices.
On the SSR options, there is this…
Part Number: LM5023 Other Parts Discussed in Thread: UCC28704 , UCC28750 , PMP20771 , PMP40144 , PMP30720 We are looking into low-cost high efficiency Isolated / AC to DC / DC to DC converter for 18-40V AC/DC input to 5V @ 1.5A current. Kindly suggested the…
Hi Dean,
There are several options to create a bias supply. The cheapest of which would be our new UCC28750 . If you want to achieve the absolute lowest standby power, the UCC28730 could be an option.
I hope this helps you to get started.
Hi Thomas,
If price is your #1 criterion, the UCC28750 is your best option. For solution size, the UCC28911 might be an option.
Both support frequency dithering and are widely available.
I hope this answers your question.
Part Number: UCC28911 Other Parts Discussed in Thread: UCC28750 , UCC28700 , UCC28710 , PMP30026 hello actually we use a secondary isolated flyback solution and we are looking renew our old design :
target : 10 to 12W output power, 230VAC 50Hz , 12 years…