Title:
RECTIFIER CIRCUIT, POWER SUPPLY DEVICE, AND RECTIFIER CIRCUIT DRIVE METHOD
Document Type and Number:
WIPO Patent Application WO/2019/239901
Kind Code:
A1
Abstract:
The present invention effectively reduces a transient current in a rectifier circuit. A rectifier circuit (1) has a first rectifier element (FR1) provided between a first terminal (FT1) and a second terminal (ST1). In the rectifier circuit (1), if a switch element (TT1) is on, a primary winding current flows from a power supply (TP1) to a primary winding (PW1) of a transformer (TR1). If the switch element (TT1) is off, a second rectifier element current flows from a secondary winding (SW1) of the transformer (TR1) to a second rectifier element (SR1). During a period in which the second rectifier element current is flowing, reverse voltage is applied between the first terminal (FT1) and the second terminal (ST1).
Inventors:
SHIOMI TAKESHI
Application Number:
PCT/JP2019/021428
Publication Date:
December 19, 2019
Filing Date:
May 29, 2019
Export Citation:
Assignee:
SHARP KK (JP)
International Classes:
H02M3/155
Foreign References:
| JP2012070580A | 2012-04-05 | |||
| JP2011036075A | 2011-02-17 |
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
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