Invention Grant
- Patent Title: Control circuit and method for a ripple regulator system
- Patent Title (中): 纹波调节器系统的控制电路和方法
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Application No.: US13404520Application Date: 2012-02-24
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Publication No.: US08446135B2Publication Date: 2013-05-21
- Inventor: An-Tung Chen , Chih-Hao Yang
- Applicant: An-Tung Chen , Chih-Hao Yang
- Applicant Address: TW Chupei, Hsinchu
- Assignee: Richtek Technology Corp.
- Current Assignee: Richtek Technology Corp.
- Current Assignee Address: TW Chupei, Hsinchu
- Agency: Muncy, Geissler, Olds & Lowe, PLLC
- Priority: TW100106258A 20110224
- Main IPC: G05F1/56
- IPC: G05F1/56
Abstract:
A control circuit and method for a ripple regulator system generate a ripple signal in-phase and synchronous with an inductor current of the ripple regulator system, and extract a ripple information proportional to the amplitude of the ripple signal. The ripple signal is used for triggering control in PWM signal generation to make the ripple regulator system have small ripples and better loop stability simultaneously. The ripple information is used to improve the output offset of the ripple regulator system that is caused by the ripple signal.
Public/Granted literature
- US20120217941A1 CONTROL CIRCUIT AND METHOD FOR A RIPPLE REGULATOR SYSTEM Public/Granted day:2012-08-30
Information query
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