JPH02142984U - - Google Patents
Info
- Publication number
- JPH02142984U JPH02142984U JP5094889U JP5094889U JPH02142984U JP H02142984 U JPH02142984 U JP H02142984U JP 5094889 U JP5094889 U JP 5094889U JP 5094889 U JP5094889 U JP 5094889U JP H02142984 U JPH02142984 U JP H02142984U
- Authority
- JP
- Japan
- Prior art keywords
- control circuit
- output voltage
- saturable reactor
- series
- diode
- 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
Links
- 238000009499 grossing Methods 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 claims 1
- 230000004907 flux Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
Landscapes
- Dc-Dc Converters (AREA)
Description
第１図は従来の回路例図、第２図は可飽和リア
クトルの磁化曲線図、第３図は第１図の回路の電
圧、電流波形、第４図は本発明の一実施例回路図
、第５図は第４図の回路の電流波形である。
１……スイツチング素子、２……その制御回路
、３……直流電源、４……トランス、Ｎ１、Ｎ２
……その１次及び２次巻線、５……可飽和リアク
トル、６……出力整流ダイオード、７……チヨー
クコイル、８……出力平滑コンデンサ、９，９′
……出力端子、１０……負荷、１１……出力電圧
制御回路、１２……基準電圧、１３……制御用ト
ランジスタ、１４……抵抗、１５……逆電圧阻止
ダイオード、１６……フリーホイールダイオード
、１７……抵抗、１８……ダイオード。
FIG. 1 is a conventional circuit example diagram, FIG. 2 is a magnetization curve diagram of a saturable reactor, FIG. 3 is a voltage and current waveform of the circuit in FIG. 1, and FIG. 4 is a circuit diagram of an embodiment of the present invention. FIG. 5 shows the current waveform of the circuit of FIG. 1... Switching element, 2... Its control circuit, 3... DC power supply, 4... Transformer, N 1 , N 2
...its primary and secondary windings, 5...saturable reactor, 6...output rectifier diode, 7...chiyoke coil, 8...output smoothing capacitor, 9,9'
... Output terminal, 10 ... Load, 11 ... Output voltage control circuit, 12 ... Reference voltage, 13 ... Control transistor, 14 ... Resistor, 15 ... Reverse voltage blocking diode, 16 ... Freewheel diode , 17...Resistor, 18...Diode.
Claims (1)
直列に接続されたトランスの２次巻線の一端と直
列に、可飽和リアクトルと整流ヂダイオードを接
続し、この整流ダイオードと前期トランス２次巻
線の他端にはフリーホイールダイオードと平滑回
路を接続して、前記スイツチング素子のオンオフ
により直流出力を送出すると共に、前記可飽和リ
アクトルには制御回路を接続し、この制御回路に
より可飽和リアクトルの磁束リセツト量を加滅し
て出力電圧を制御するスイツチングレギユレータ
において、前記出力電圧制御用制御回路と並列に
抵抗とダイオードの直列回路を接続して急峻なリ
セツト電流を抑えたことを特徴とするスイツチン
グレギユレータ。 A saturable reactor and a rectifier diode are connected in series with one end of the secondary winding of a transformer in which a switching element for turning on and off the DC power supply is connected in series. A freewheel diode and a smoothing circuit are connected to the end, and a DC output is sent out by turning on and off the switching element, and a control circuit is connected to the saturable reactor, and this control circuit adjusts the magnetic flux reset amount of the saturable reactor. A switching regulator that controls an output voltage by increasing or decreasing the output voltage, characterized in that a series circuit of a resistor and a diode is connected in parallel with the control circuit for controlling the output voltage to suppress a steep reset current. Regulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5094889U JPH0635661Y2 (en) | 1989-04-28 | 1989-04-28 | Switching regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5094889U JPH0635661Y2 (en) | 1989-04-28 | 1989-04-28 | Switching regulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02142984U true JPH02142984U (en) | 1990-12-04 |
| JPH0635661Y2 JPH0635661Y2 (en) | 1994-09-14 |
Family
ID=31569941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5094889U Expired - Lifetime JPH0635661Y2 (en) | 1989-04-28 | 1989-04-28 | Switching regulator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0635661Y2 (en) |
-
1989
- 1989-04-28 JP JP5094889U patent/JPH0635661Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0635661Y2 (en) | 1994-09-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |