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…
Hello,
The UCC28700 should have similar protection functions compared to the UCC28636. The input under voltage is easier to setup. The device has OCP, OVP and input UVLO shutdown.
I found this UCC28700 reference design that has an input of 25VDC and…
Hello,
I found a reference design using the UCC28700 for a 25V to 500V input range with 28V output. This is a 10 W design. This could be used up to a 60 W design by changing the transformer.
The UCC28630 uses a similar control law and it may be possible…