发明名称 POWER-SUPPLY DEVICE AND IMAGE FORMATION DEVICE
摘要 <p>PROBLEM TO BE SOLVED: To prevent electromagnetic noise.SOLUTION: A power-supply device includes: a switch element 101 having a drain terminal D connected to a positive electrode of a smoothing capacitor 703; an inductor 102 connected to a source terminal S of the switch element 101; a switching control circuit 103 controlling on or off of the switch element 101; a switch element 705 having a source terminal S connected to a negative terminal of the smoothing capacitor 703; an inductor 704 connected to a drain terminal D of the switch element 705; and a switching control circuit 717 controlling on or off of the switch element 705. A capacitor 706 is connected to the connection point of the switch element 705 and the inductor 704, and a capacitor 707 is connected to the connection point of the switch element 101 and the inductor 102.</p>
申请公布号 JP2015122881(A) 申请公布日期 2015.07.02
申请号 JP20130265541 申请日期 2013.12.24
申请人 CANON INC 发明人 HAYASHIZAKI MINORU;UCHIYAMA NOBUYUKI;ISONO SEIJI;KAWANA TAKASHI
分类号 H02M3/155;G03G21/00;H02M3/28 主分类号 H02M3/155
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