Hi Guillaume,
Passive PFC uses a physically large inductor to help spread the input current across a large area of the ac line cycle.
Active PFC involves place a boost stage after the bridge rectifier and controlling the boost stage to draw current of…
Other Parts Discussed in Thread: UCC3818 , UCC3817 Hi,
I am desinging a 2KW PFC controller with the UC2818 controller. One of the requeriments of this design is that the
input voltage could be compressed between 380VAC to 440VAC, 50Hz. I have already validate…
Other Parts Discussed in Thread: UCC3817A , UCC3817 , UCC3818 Posted on Behalf of a Field Engineer,
I see that you have both a UCC3817 and UCC3817A device which should I use?
Other Parts Discussed in Thread: UCC3817A Hello,
The customer download the UCC3817A Mathcad file from Ti web site, but I couldn’t read it with Mathcad latest version. Is it possible to get the updated file.
UCC2817/17A, UCC2818/18A, UCC3817/17A…
Norman,
Here you will find a lot of good papers on PSU design, http://focus.ti.com/docs/training/catalog/events/event.jhtml?sku=SEM401001
For the PFC take a look at the UCC3817/8, http://focus.ti.com/docs/prod/folders/print/ucc3818.html#applicationn…