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Title:
SWITCHING POWER SUPPLY DEVICE AND METHOD FOR STARTING SAME
Document Type and Number:
WIPO Patent Application WO/2007/063788
Kind Code:
A1
Abstract:
Standby power loss is reduced. A switching power supply device uses a first power supply circuit (11) having a small output and a second power supply circuit (12) having a large output. The first power supply circuit (11) is constantly in an operation status, and the second power supply circuit (12) is started by using power generated by the first power supply circuit (11).

Inventors:
NAGAI TAMIJI (JP)
YAMAZAKI KAZUO (JP)
Application Number:
PCT/JP2006/323537
Publication Date:
June 07, 2007
Filing Date:
November 27, 2006
Export Citation:
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Assignee:
MITSUMI ELECTRIC CO LTD (JP)
NAGAI TAMIJI (JP)
YAMAZAKI KAZUO (JP)
International Classes:
H02M3/28
Foreign References:
JPH1132478A1999-02-02
JP2001103742A2001-04-13
JP2003223229A2003-08-08
JPH08171429A1996-07-02
JPH0469057A1992-03-04
JP2005295632A2005-10-20
Attorney, Agent or Firm:
IKEDA, Noriyasu et al. (4-10 Nishishinbashi 1-chom, Minato-ku Tokyo 03, JP)
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