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Patent Searching and Data


Title:
DC-DC CONVERTER
Document Type and Number:
WIPO Patent Application WO/2011/048796
Kind Code:
A1
Abstract:
A DC-DC converter is provided with: a triangular wave generator (12); a variable gain amplifier (9) that amplifies the error between a reference voltage (Vr) and a voltage (Vfb) that had the output voltage (Vout) fed back, and wherein the gain thereof becomes relatively low when the input voltage (Vin) becomes high, and the gain thereof becomes relatively high when the input voltage (Vin) becomes low; and a comparator (11) that compares the output of the triangular wave generator (12) and the output of the variable gain amplifier (9).

Inventors:
KUME TOMOHIRO
Application Number:
PCT/JP2010/006189
Publication Date:
April 28, 2011
Filing Date:
October 19, 2010
Export Citation:
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Assignee:
PANASONIC CORP (JP)
KUME TOMOHIRO
International Classes:
H02M3/155
Foreign References:
JP2002112535A2002-04-12
JP2009027795A2009-02-05
JP2007124748A2007-05-17
JP2007150434A2007-06-14
Attorney, Agent or Firm:
MAEDA, Hiroshi et al. (JP)
Hiroshi Maeda (JP)
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