Title:
SWITCHING REGULATOR
Document Type and Number:
Japanese Patent JP3146228
Kind Code:
B2
Abstract:
PURPOSE: To utilize the merits of a switching regulator such as small size and light weight by preventing an adverse effect on an electronic equipment of a switching frequency component without mounting a shielding cover.
CONSTITUTION: In a device, in which the magnitude of output voltage does not depend upon the frequency of a switching signal, a switching-frequency changeover circuit 10 outputting a requirement signal requiring so that switching frequency is changed over to either one of a plurality of switching frequency is connected to a controller 9, and the controller 9 transmits the switching signal having a switching frequency corresponding to the requirement signal to a switch 4 from a plurality of switching frequencyies in response to the requirement signal, and on-off operates the switch 4.
Inventors:
Toshiharu Aoki
Shigeru Yamada
Shigeru Yamada
Application Number:
JP21379894A
Publication Date:
March 12, 2001
Filing Date:
September 07, 1994
Export Citation:
Assignee:
Sharp Corporation
International Classes:
H02M3/28; (IPC1-7): H02M3/28
Domestic Patent References:
| JP4277934A | ||||
| JP63131625A |
Attorney, Agent or Firm:
Kazuhide Okada