JPS61176988U - - Google Patents

Info

Publication number
JPS61176988U
JPS61176988U JP6128285U JP6128285U JPS61176988U JP S61176988 U JPS61176988 U JP S61176988U JP 6128285 U JP6128285 U JP 6128285U JP 6128285 U JP6128285 U JP 6128285U JP S61176988 U JPS61176988 U JP S61176988U
Authority
JP
Japan
Prior art keywords
power supply
supply circuit
constant voltage
voltage power
circuit
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.)
Granted
Application number
JP6128285U
Other languages
Japanese (ja)
Other versions
JPH0445435Y2 (en
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 filed Critical
Priority to JP1985061282U priority Critical patent/JPH0445435Y2/ja
Publication of JPS61176988U publication Critical patent/JPS61176988U/ja
Application granted granted Critical
Publication of JPH0445435Y2 publication Critical patent/JPH0445435Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Continuous-Control Power Sources That Use Transistors (AREA)
  • Dc-Dc Converters (AREA)
  • Power Conversion In General (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図はこの考案の一実施例によるスイツチン
グ電源回路の回路図、第２図、第３図及び第４図
はこの考案の他の実施例を示すスイツチング電源
回路の回路図、第５図は従来のスイツチング電源
回路の回路図である。 １……スイツチングトランス、２……スイツチ
ングトランジスタ、３……整流ダイオード、４…
…リツプフイルタ回路、４ａ，４ｂ……平滑コン
デンサ、５……ブリツジ整流回路、６……コモン
モードノイズフイルタ回路、７……交流電流入力
、８……直流電流出力、４ｃ，９……コイル。な
お図中同一符号は同一又は相当部分を示す。 FIG. 1 is a circuit diagram of a switching power supply circuit according to one embodiment of this invention, FIGS. 2, 3, and 4 are circuit diagrams of a switching power supply circuit showing other embodiments of this invention. FIG. 2 is a circuit diagram of a conventional switching power supply circuit. 1... Switching transformer, 2... Switching transistor, 3... Rectifier diode, 4...
... lip filter circuit, 4a, 4b... smoothing capacitor, 5... bridge rectifier circuit, 6... common mode noise filter circuit, 7... alternating current input, 8... direct current output, 4c, 9... coil. Note that the same reference numerals in the figures indicate the same or equivalent parts.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 絶縁形トランスで１次及び２次の分離を行う断
続制御形定電圧電源回路において、上記トランス
の２次側のリツプルフイルタ回路を構成する平滑
コンデンサに、コイルを直列に接続したことを特
徴とする断続制御形定電圧電源回路。 An intermittent control type constant voltage power supply circuit in which primary and secondary are separated by an isolation transformer, characterized in that a coil is connected in series with a smoothing capacitor that constitutes a ripple filter circuit on the secondary side of the transformer. An intermittent controlled constant voltage power supply circuit.
JP1985061282U 1985-04-24 1985-04-24 Expired JPH0445435Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985061282U JPH0445435Y2 (en) 1985-04-24 1985-04-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985061282U JPH0445435Y2 (en) 1985-04-24 1985-04-24

Publications (2)

Publication Number Publication Date
JPS61176988U true JPS61176988U (en) 1986-11-05
JPH0445435Y2 JPH0445435Y2 (en) 1992-10-26

Family

ID=30589415

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985061282U Expired JPH0445435Y2 (en) 1985-04-24 1985-04-24

Country Status (1)

Country Link
JP (1) JPH0445435Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04178169A (en) * 1990-01-26 1992-06-25 Sanyo Electric Co Ltd Switching power supply circuit
JP2001339254A (en) * 2000-05-25 2001-12-07 Hioki Ee Corp Common-mode noise reduction method for input-output insulation type equipment

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5529343U (en) * 1978-08-11 1980-02-26
JPS59148567A (en) * 1983-02-15 1984-08-25 Matsushita Electric Works Ltd Power source device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5529343U (en) * 1978-08-11 1980-02-26
JPS59148567A (en) * 1983-02-15 1984-08-25 Matsushita Electric Works Ltd Power source device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04178169A (en) * 1990-01-26 1992-06-25 Sanyo Electric Co Ltd Switching power supply circuit
JP2001339254A (en) * 2000-05-25 2001-12-07 Hioki Ee Corp Common-mode noise reduction method for input-output insulation type equipment

Also Published As

Publication number Publication date
JPH0445435Y2 (en) 1992-10-26

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