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Patent Searching and Data


Title:
DC-DC CONVERTER
Document Type and Number:
Japanese Patent JP2007202236
Kind Code:
A
Abstract:

To detect a high-range drive current outputted from a DC-DC converter at a low loss.

The DC-DC converter comprises: a first integration circuit that is constituted of an OTA (601) and a capacity (603), and integrates both-end voltages of an inductor (10); a second integration circuit that is constituted of an OTA (602) and a capacity (604), and integrates an output voltage of the first integration circuit; a holding part (607) that holds an output voltage of the second integration circuit; and a control port (50) that performs the charging/discharging control of the inductor (10) on the basis of an output voltage of the holding part (607).

COPYRIGHT: (C)2007,JPO&INPIT


Inventors:
EGUCHI MAKOTO
ISHII TAKUYA
Application Number:
JP2006014970A
Publication Date:
August 09, 2007
Filing Date:
January 24, 2006
Export Citation:
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Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
H02M3/155; H01L51/50; H05B44/00
Attorney, Agent or Firm:
Hiroshi Maeda
Hiroshi Takeuchi
Takahisa Shimada
Yuji Takeuchi
Katsumi Imae
Atsushi Fujita
Kazunari Ninomiya
Tomoo Harada
Iseki Katsumori
Seki Kei
Yasuya Sugiura