JPS6455067A - Dc-dc converter - Google Patents

Dc-dc converter

Info

Publication number
JPS6455067A
JPS6455067A JP21103487A JP21103487A JPS6455067A JP S6455067 A JPS6455067 A JP S6455067A JP 21103487 A JP21103487 A JP 21103487A JP 21103487 A JP21103487 A JP 21103487A JP S6455067 A JPS6455067 A JP S6455067A
Authority
JP
Japan
Prior art keywords
choke coil
capacitor
input power
diode
noise
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP21103487A
Other languages
Japanese (ja)
Inventor
Satoshi Yamada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP21103487A priority Critical patent/JPS6455067A/en
Publication of JPS6455067A publication Critical patent/JPS6455067A/en
Pending legal-status Critical Current

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  • Dc-Dc Converters (AREA)

Abstract

PURPOSE:To decrease generation of noise by providing a choke coil between a switching element and an input power and by connecting a capacitor in parallel to said switching element and a serial assembly diode. CONSTITUTION:A chopper-mode DC-DC converter circuit applies a square waved pulse voltage converted by a switching transistor (Tr) 2 and a diode 3 from a DC input power 1 via a choke coil 8 to a smoothing circuit by a smoothing choke coil 4 and a capacitor 5 to take out its average DC voltage as an output and to supply it to a load 6. In this case, a choke coil 8 is provided between the input power 1 and Tr 2, a capacitor 9 is provided in parallel to the diode 3, and a series circuit composed of the choke coil 8, Tr 2 and capacitor 9 is connected with both ends of the DC input power 1 to constitute an LC resonance circuit. Thus, the electric current of Tr 2 becomes sinusoidal and noise can be reduced by the resonance function of said choke coil 8.
JP21103487A 1987-08-24 1987-08-24 Dc-dc converter Pending JPS6455067A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21103487A JPS6455067A (en) 1987-08-24 1987-08-24 Dc-dc converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21103487A JPS6455067A (en) 1987-08-24 1987-08-24 Dc-dc converter

Publications (1)

Publication Number Publication Date
JPS6455067A true JPS6455067A (en) 1989-03-02

Family

ID=16599272

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21103487A Pending JPS6455067A (en) 1987-08-24 1987-08-24 Dc-dc converter

Country Status (1)

Country Link
JP (1) JPS6455067A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04504048A (en) * 1989-03-08 1992-07-16 アー　エヌ　テー　ナッハリヒテンテヒニーク　ゲゼルシャフト　ミット　ベシュレンクテル　ハフツング Switching regulator driving method and driving device
US5164891A (en) * 1991-08-21 1992-11-17 Power Integrations, Inc. Low noise voltage regulator and method using a gated single ended oscillator
US5787702A (en) * 1995-06-13 1998-08-04 Daimler-Benz Aerospace Ag Propulsion plant operating on the basis of catalytic and/or chemical decomposition of a propellant

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04504048A (en) * 1989-03-08 1992-07-16 アー　エヌ　テー　ナッハリヒテンテヒニーク　ゲゼルシャフト　ミット　ベシュレンクテル　ハフツング Switching regulator driving method and driving device
US5164891A (en) * 1991-08-21 1992-11-17 Power Integrations, Inc. Low noise voltage regulator and method using a gated single ended oscillator
US5787702A (en) * 1995-06-13 1998-08-04 Daimler-Benz Aerospace Ag Propulsion plant operating on the basis of catalytic and/or chemical decomposition of a propellant

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