STEP-DOWN CONVERSION CIRCUIT - AUTONETWORKS TECHNOLOGIES LTD

Title:

STEP-DOWN CONVERSION CIRCUIT

Document Type and Number:

WIPO Patent Application WO/2018/047750

Kind Code:

A1

Abstract:

This step-down conversion circuit (10) steps down and converts the direct current voltage (V1) into a stepped-down direct current voltage (V4). The step-down conversion circuit (10) is provided with: a power line (LS) for supplying the direct current voltage (V1); a high-frequency superimposition unit (11) which is connected to the power line (LS), generates a high-frequency voltage (V2), superimposes the high-frequency voltage (V2) onto the direct current voltage (V1) to reduce the voltage level of the direct current voltage (V1), and generates a high-frequency superimposition voltage (V3); and a low-pass filter (15) which receives the high-frequency superimposition voltage (V3) and outputs the stepped-down direct current voltage (V4).

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Inventors:

CHIN TOU (JP)

Application Number:

PCT/JP2017/031692

Publication Date:

March 15, 2018

Filing Date:

September 04, 2017

Export Citation:

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Assignee:

AUTONETWORKS TECHNOLOGIES LTD (JP)
SUMITOMO WIRING SYSTEMS (JP)
SUMITOMO ELECTRIC INDUSTRIES (JP)

International Classes:

H02M3/04; H02M3/00

Foreign References:

JPS57118419U	1982-07-22
JP2004212376A	2004-07-29

Attorney, Agent or Firm:

AKATSUKI UNION PATENT FIRM (JP)

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