Invention Grant
- Patent Title: Circuit
- Patent Title (中): 电路
-
Application No.: US13343824Application Date: 2012-01-05
-
Publication No.: US08531167B2Publication Date: 2013-09-10
- Inventor: Daisuke Yamaguchi , Yuki Kamata , Eiji Hori , Katsuyuki Omi
- Applicant: Daisuke Yamaguchi , Yuki Kamata , Eiji Hori , Katsuyuki Omi
- Applicant Address: JP Tokyo
- Assignee: Kabushiki Kaisha Toshiba
- Current Assignee: Kabushiki Kaisha Toshiba
- Current Assignee Address: JP Tokyo
- Agency: White & Case LLP
- Priority: JP2009-127990 20090527
- Main IPC: G05F1/575
- IPC: G05F1/575 ; G05F1/618
Abstract:
A DC-DC converter has an error amplifier that amplifies a potential difference between a first voltage based on an output voltage at the output terminal and a reference voltage, and outputs a resultant error amplified signal; a differential detecting circuit that senses an inclination of a temporal change of the output voltage by differentiating the first voltage, outputs a control signal according to a result of the sensing; and a PWM generating circuit that compares a synthetic signal obtained by conducting computation on the amplified error signal and the control signal with a periodically changing comparison signal, and outputs a PWM signal having a duty ratio controlled according to a result of the comparison.
Public/Granted literature
- US20120098515A1 DC-DC CONVERTER Public/Granted day:2012-04-26
Information query
IPC分类:
