DC-DC CONVERTER - HITACHI, LTD.

Title:

DC-DC CONVERTER

Document Type and Number:

WIPO Patent Application WO/2011/161729

Kind Code:

A1

Abstract:

Provided is a vehicle, wherein a highly-efficient DC-DC converter and a highly-efficient power supplying to a load are enabled, regardless of the amount of power to be supplied to the load. When the amount of power to be supplied to a load (R1) is not less than a prescribed value, a controlling means (5) implements a first mode wherein switching elements (S1-S4) are driven, and when the amount of power to be supplied to the load (R1) is not more than the prescribed value, the controlling means (5) implements a second mode wherein switching elements (S3, S4) are stopped in OFF state, and just the switching elements (S1, S2) are driven.

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Inventors:

HATAKEYAMA, Tomoyuki (HITACHI LTD., 1-1, Omika-cho 7-chome, Hitachi-sh, Ibaraki 92, 〒3191292, JP)
畠山智行 (〒92 茨城県日立市大みか町七丁目１番１号　株式会社　日立製作所　日立研究所内 Ibaraki, 〒3191292, JP)

Application Number:

JP2010/004221

Publication Date:

December 29, 2011

Filing Date:

June 25, 2010

Export Citation:

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Assignee:

HITACHI, LTD. (6-6 Marunouchi 1-chome, Chiyoda-ku Tokyo, 80, 〒1008280, JP)
株式会社　日立製作所 (〒80 東京都千代田区丸の内一丁目６番６号 Tokyo, 〒1008280, JP)
HATAKEYAMA, Tomoyuki (HITACHI LTD., 1-1, Omika-cho 7-chome, Hitachi-sh, Ibaraki 92, 〒3191292, JP)

International Classes:

H02M3/335; H02M3/28

Attorney, Agent or Firm:

INOUE, Manabu (6-1, Marunouchi 1-chome, Chiyoda-k, Tokyo 20, 〒1008220, JP)

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Claims:

Previous Patent: SWITCHING POWER SUPPLY APPARATUS, AND POWER SUPPLY SYSTEM AND ELECTRONIC APPARATUS USING SAME

Next Patent: POWER CONVERSION APPARATUS