Hello Carlo,
for this low power range a standard flyback will make it; have a look at PMP7958 or PMP10200, both HV designs. Controllers like LM5021/5022 are suited, but QR controller like UCC287k-series will offer improved over all efficiency and better…
Hello Tom,
The UCC28911 has an internal startup circuit that needs to be greater than 30V to operate correctly. So this device may not be the correct one for your application.
I believe the input range might be too wide for this application. Generally…
Hi,
Unfortunately, the internal FETs may not be capable of withstanding this higher voltage.
The closest design that i saw that may meet your specification
https://www.ti.com/tool/PMP10200?keyMatch=wide
But the minimum voltage is 25V in this case…
Part Number: UCC28700 Other Parts Discussed in Thread: UCC28713 , , PMP10200 I'm using TI WEBENCH for a DC/DC converter based on UCC28713.
The WEBENCH is limited to minimum Vin of 85Vrms / 90Vdc – is it limitation of the controller?
I do see a reference…
Jenny,
The input voltage range of 20-265 V ac is very wide and not so common.
You can search the range of available TI Designs and Reference Designs here:
www.ti.com/.../refdesignsearchresults.tsp
If you click on the tab “search power designs…
Hsiang
The UCC28880 & UCC28881 can operate down to 30 V minimum, but the range from min to max input voltage will be limited by the ratio of Dmin (at max Vin) to the internal time-out Ton_to (for overlaod & short-circuit protection).
However, the…
