Invention Grant
- Patent Title: Analog variable-frequency controller and switching converter therewith
- Patent Title (中): 模拟变频控制器和开关变换器
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Application No.: US12553383Application Date: 2009-09-03
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Publication No.: US07923975B2Publication Date: 2011-04-12
- Inventor: Jia-Ming Liu , Yeong-Chau Kuo , Tai-Haur Kuo
- Applicant: Jia-Ming Liu , Yeong-Chau Kuo , Tai-Haur Kuo
- Applicant Address: TW Hsinchu TW Tainan
- Assignee: Megawin Technology Co., Ltd.,NCKU Research and Development Foundation
- Current Assignee: Megawin Technology Co., Ltd.,NCKU Research and Development Foundation
- Current Assignee Address: TW Hsinchu TW Tainan
- Agency: Muncy, Geissler, Olds & Lowe, PLLC
- Priority: TW97146318A 20081128
- Main IPC: G05F1/613
- IPC: G05F1/613 ; G05F1/00

Abstract:
An analog variable-frequency controller includes a first current generator, a second current generator, a clock generator and a light/heavy load selector. The first and second current generator receive a load current signal and then output a first voltage signal and a second voltage signal, respectively. The clock generator generates a corresponding switching frequency according to the first voltage signal or the second voltage signal. The light/heavy load selector, connected with the first current generator, the second current generator and the clock generator, receives a control signal for controlling the clock generator to receive the first voltage signal or the second voltage signal. The abovementioned controller is implemented by an analog circuit, which has a lower circuit complexity, lower cost and is easy to be integrated into a switching converter.
Public/Granted literature
- US20100134079A1 ANALOG VARIABLE-FREQUENCY CONTROLLER AND SWITCHING CONVERTER THEREWITH Public/Granted day:2010-06-03
Information query
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