Invention Grant
- Patent Title: Switching power supply control with reduced harmonic frequency fluctuations
- Patent Title (中): 开关电源控制具有降低的谐波频率波动
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Application No.: US12884128Application Date: 2010-09-16
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Publication No.: US08643352B2Publication Date: 2014-02-04
- Inventor: Chikashi Nakagawara
- Applicant: Chikashi Nakagawara
- Applicant Address: JP Tokyo
- Assignee: Kabushiki Kaisha Toshiba
- Current Assignee: Kabushiki Kaisha Toshiba
- Current Assignee Address: JP Tokyo
- Agency: Patterson & Sheridan, LLP
- Priority: JP2009-297980 20091228
- Main IPC: G05F1/575
- IPC: G05F1/575
Abstract:
According to embodiments, a switching power supply control apparatus causes a switching element to perform an ON/OFF once in each period of a clock signal, when an output voltage of a switching power supply formed by charging a capacitor with a current of a choke coil that stores/releases current energy in conjunction with the ON/OFF operation of the switching element is adjusted by exercising ON/OFF control of the switching element based on comparator output that compares the output voltage with a reference voltage.
Public/Granted literature
- US20110156681A1 SWITCHING POWER SUPPLY CONTROL APPARATUS Public/Granted day:2011-06-30
Information query
IPC分类:
