(19)
(11) EP 1 451 920 A2

(12)

(88) Date of publication A3:
21.05.2004

(43) Date of publication:
01.09.2004 Bulletin 2004/36

(21) Application number: 02799912.7

(22) Date of filing: 09.12.2002
(51) International Patent Classification (IPC)7H02M 3/158
(86) International application number:
PCT/US2002/039189
(87) International publication number:
WO 2003/050637 (19.06.2003 Gazette 2003/25)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SI SK TR
Designated Extension States:
AL LT LV MK RO

(30) Priority: 07.12.2001 US 338712 P
08.11.2002 US 291098

(71) Applicant: The Regents of the University of Colorado, A Body Corporate
Boulder, CO 80309 (US)

(72) Inventors:
  • MAKSIMOVIC, Dragan
    Boulder, CO 80301 (US)
  • DHAR, Sandeep, C.
    Boulder, CO 80302 (US)
  • PATELLA, Benjamin, James
    Fort Collins, CO 80526 (US)
  • PRODIC, Aleksandar
    Boulder, CO 80302 (US)

(74) Representative: Tönhardt, Marion, Dr. 
Forrester & Boehmert,Pettenkoferstrasse 20-22
80336 München
80336 München (DE)

   


(54) VOLTAGE CONTROLLER FOR SWITCHING POWER SUPPLIES