UC1854J UNITRODE, UC1854J Datasheet - Page 8
UC1854J
Manufacturer Part Number
UC1854J
Description
UNITRODE
Manufacturer
UNITRODE
Datasheets
1.UC1854J.pdf
(13 pages)
2.UC1854J.pdf
(9 pages)
3.UC1854J.pdf
(13 pages)
4.UC1854J.pdf
(9 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
UC1854J/883B
Manufacturer:
TI
Quantity:
766
Company:
Part Number:
UC1854J/883B 5962-9326101MEA
Manufacturer:
HAR
Quantity:
1
FIGURE 1 - Typical Application
This diagram depicts a complete 250 Watt Preregulator. At full load, this preregulator will exhibit a power factor of 0.99
at any power line voltage between 80 and 260 V
modifications to the power stage. See Design Note 39B and Application Note U-134 for further details.
NOTE: Boost inductor can be fabricated with ARNOLD MPP toroidal core part number A-438381-2, using a 55 turn primary and a
13 turn secondary.
UNITRODE CORPORATION
7 CONTINENTAL BLVD.
TEL. (603) 424-2410
FAX (603) 424-3460
MERRIMACK, NH 03054
These products contain patented circuitry and are sold under license from Pioneer Magnetics, Inc.
RMS
. This same circuit can be used at higher power levels with minor
8
UDG-92056-1
UC1854
UC2854
UC3854