Invention Grant
- Patent Title: Switching power supply device and method of starting the same
- Patent Title (中): 开关电源装置及启动方法
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Application No.: US12095471Application Date: 2006-11-27
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Publication No.: US07830675B2Publication Date: 2010-11-09
- Inventor: Tamiji Nagai , Kazuo Yamazaki
- Applicant: Tamiji Nagai , Toshio Nagai, legal representative , Kazuo Yamazaki
- Applicant Address: JP Tama-Shi
- Assignee: Mitsumi Electric Co., Ltd.
- Current Assignee: Mitsumi Electric Co., Ltd.
- Current Assignee Address: JP Tama-Shi
- Agency: Holtz, Holtz, Goodman & Chick, PC
- Priority: JP2005-347870 20051201
- International Application: PCT/JP2006/323537 WO 20061127
- International Announcement: WO2007/063788 WO 20070607
- Main IPC: H02M3/335
- IPC: H02M3/335
Abstract:
To reduce power loss during standby.In a switching power supply device using a first power supply circuit (11) having a small output and a second power supply circuit (12) having a large output, the first power supply circuit (11) is continuously kept in an operating state and the second power supply circuit (12) is started by using an electric power generated in the first power supply circuit (11).
Public/Granted literature
- US20100135048A1 SWITCHING POWER SUPPLY DEVICE AND METHOD OF STARTING THE SAME Public/Granted day:2010-06-03
Information query
IPC分类:
