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UC1854J Fiches technique(PDF) 8 Page - Texas Instruments |
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UC1854J Fiches technique(HTML) 8 Page - Texas Instruments |
8 / 12 page FIGURE 1 - Typical Application 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. • MERRIMACK, NH 03054 TEL. (603) 424-2410 FAX (603) 424-3460 These products contain patented circuitry and are sold under license from Pioneer Magnetics, Inc. 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 VRMS. This same circuit can be used at higher power levels with minor modifications to the power stage. See Design Note 39B and Application Note U-134 for further details. UC1854 UC2854 UC3854 UDG-92056-1 8 |
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