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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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