7

UC1714/5

UC2714/5

UC3714/5

Figure 7. Using an N-channel active reset switch with a floating drive command.

UDG-94017-1

UNITRODE CORPORATION

7 CONTINENTAL BLVD. • MERRIMACK, NH 03054

TEL. (603) 424-2410 • FAX (603) 424-3460

Figure 6. Typical forward converter topology with active reset provided by the UC1714 driving an N-channel

switch (Q1) and a P-channel auxilliary switch (Q2).

TYPICAL APPLICATIONS (cont.)

UDG-94016-1

Vicor Corporation has claimed that the use of active reset in a forward converter topology is covered under its U.S.

Patent 4,441,146. Unitrode is not suggesting or encouraging persons to infringe or use Vicor’s patented technology absent a

license from Vicor.