Title:
DC-DC CONVERTER
Document Type and Number:
WIPO Patent Application WO/2017/187853
Kind Code:
A1
Abstract:
The present invention is provided with: a voltage input section that receives a DC voltage; a voltage output section, to which a load is connected; a transformer (T1) having at least a primary winding wire (N1) and a secondary winding wire (N2); a main switch element (Q1) that is provided between the voltage input section, and the primary winding wire (N1) of the transformer (T1); a rectifying circuit (20) that is provided between the voltage output section, and the secondary winding wire (N2) of the transformer (T1); and a reset voltage suppressing circuit, which detects the level of a reset voltage that is generated when resetting exciting energy accumulated in the transformer (T1), and which suppresses a voltage to be applied to the main switch element (Q1) in the cases where the level of the reset voltage exceeds, for instance, a predetermined threshold value.
Inventors:
MUTO TAKAMI (JP)
NISHIYAMA TAKAYOSHI (JP)
NISHIYAMA TAKAYOSHI (JP)
Application Number:
PCT/JP2017/011580
Publication Date:
November 02, 2017
Filing Date:
March 23, 2017
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H02M3/28
Foreign References:
| JP2002272107A | 2002-09-20 | |||
| JPH08182311A | 1996-07-12 | |||
| JP2009296770A | 2009-12-17 | |||
| JP2006340562A | 2006-12-14 | |||
| JP2002233143A | 2002-08-16 | |||
| JPH06327243A | 1994-11-25 |
Attorney, Agent or Firm:
KAEDE PATENT ATTORNEYS' OFFICE (JP)
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