8

UCC1580-1,-2,-3,-4

UCC2580-1,-2,-3,-4

UCC3580-1,-2,-3,-4

Figure 5. Off-line active clamp flyback converter.

APPLICATION INFORMATION (cont.)

UDG-96017-1

The use of active reset in a flyback power converter topology may be covered by U.S. Patent No. 5,402,329 owned by Technical

Witts, Inc., and for which Unitrode offers users a paid up license for application of the UCC1580 product family.