JPS60170821U - DC stabilized power supply circuit with ripple filter - Google Patents
DC stabilized power supply circuit with ripple filterInfo
- Publication number
- JPS60170821U JPS60170821U JP5811084U JP5811084U JPS60170821U JP S60170821 U JPS60170821 U JP S60170821U JP 5811084 U JP5811084 U JP 5811084U JP 5811084 U JP5811084 U JP 5811084U JP S60170821 U JPS60170821 U JP S60170821U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- power supply
- supply circuit
- dividing resistor
- stabilized power
- 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
Links
Landscapes
- Continuous-Control Power Sources That Use Transistors (AREA)
- Power Conversion In General (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の直流安定化電源回路のブロック図、第２
図は本考案に係るリップル・フィルタを具えた直流安定
化電源回路の概要を説明する為のブロック図、第３図は
本考案に係るリップル・フィルタを具えた直流安定化電
源回路の一実施例を示す回路図、第４図は本考案の他の
実施例を示す回路図、第５図は直流安定化電源回路の特
性を示す為の図である。
１：入力電圧端子、２：出力端子、３：接地端子、４：
端子、５，６：差動対、７：バンドギャップ基準電圧源
、８：ボルテージホロワ回路、９：誤差増幅回路、１０
：リップル・フィルタを具えた電圧源回路、１１：電圧
検出回路、１２：電流増幅回路、１３，１４：電流源回
路。Figure 1 is a block diagram of a conventional DC stabilized power supply circuit, Figure 2
The figure is a block diagram for explaining the outline of a DC stabilized power supply circuit equipped with a ripple filter according to the present invention, and Figure 3 is an example of an embodiment of a DC stabilized power supply circuit equipped with a ripple filter according to the present invention. FIG. 4 is a circuit diagram showing another embodiment of the present invention, and FIG. 5 is a diagram showing the characteristics of the DC stabilized power supply circuit. 1: Input voltage terminal, 2: Output terminal, 3: Ground terminal, 4:
Terminals, 5, 6: Differential pair, 7: Bandgap reference voltage source, 8: Voltage follower circuit, 9: Error amplifier circuit, 10
: Voltage source circuit with ripple filter, 11: Voltage detection circuit, 12: Current amplification circuit, 13, 14: Current source circuit.
Claims (3)
と接地間に接続された第１の分圧抵抗器、該第１の分圧
抵抗器から得られる電圧と基準電圧源から得られる電圧
との誤差を検出して該電流増幅器を制御する誤差増幅器
、該入力端子と接地間に接続された第２の分圧抵抗器、
該第２の分圧抵抗器のタップに接続された平滑コンデン
サ、該入力端子に供給された電源電圧の電位が低下して
、該タップから得られる電圧が該基準電圧源の電位以下
となったとき、該誤差増幅器に供給される電圧を該基準
電圧源から該第２の分圧抵抗のタップから得られる電圧
に切り換える切換回路を具えたことを特徴とする直流安
定化電源回路。(1) A current amplifier connected between the input and output terminals, a first voltage dividing resistor connected between the output terminal and ground, and a voltage obtained from the first voltage dividing resistor and a reference voltage source. an error amplifier that detects an error with the voltage and controls the current amplifier; a second voltage dividing resistor connected between the input terminal and ground;
The potential of the power supply voltage supplied to the input terminal of the smoothing capacitor connected to the tap of the second voltage dividing resistor has decreased, and the voltage obtained from the tap has become equal to or lower than the potential of the reference voltage source. A DC stabilized power supply circuit comprising a switching circuit for switching the voltage supplied to the error amplifier from the reference voltage source to the voltage obtained from the tap of the second voltage dividing resistor.
切換回路が第１と第２のボルテージホロワ回路で形成さ
れた実用新案登録請求の範囲第１項記載のリップル・フ
ィルタを具えた直流安定化電源回路。(2) A DC stabilizer equipped with a ripple filter according to claim 1, wherein a switching circuit for switching the voltage supplied to the error amplification circuit is formed by first and second voltage follower circuits. power supply circuit.
るトランジスタ対の一方のトランジスタが共有され、該
共有されたトランジスタのベースが該誤差増幅器の一方
の入力端子に接続された実用新案登録請求の範囲第２項
記載のリップル・フィルタを具えた直流安定化電源回路
。(3) Registration of a utility model in which one transistor of the transistor pair forming the first and second voltage follower circuits is shared, and the base of the shared transistor is connected to one input terminal of the error amplifier. A DC stabilized power supply circuit comprising the ripple filter according to claim 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5811084U JPS60170821U (en) | 1984-04-19 | 1984-04-19 | DC stabilized power supply circuit with ripple filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5811084U JPS60170821U (en) | 1984-04-19 | 1984-04-19 | DC stabilized power supply circuit with ripple filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60170821U true JPS60170821U (en) | 1985-11-12 |
Family
ID=30583297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5811084U Pending JPS60170821U (en) | 1984-04-19 | 1984-04-19 | DC stabilized power supply circuit with ripple filter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60170821U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02130008U (en) * | 1989-03-31 | 1990-10-26 | ||
| WO2020090616A1 (en) * | 2018-10-31 | 2020-05-07 | ローム株式会社 | Linear power supply circuit |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4976054A (en) * | 1972-11-28 | 1974-07-23 |
-
1984
- 1984-04-19 JP JP5811084U patent/JPS60170821U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4976054A (en) * | 1972-11-28 | 1974-07-23 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02130008U (en) * | 1989-03-31 | 1990-10-26 | ||
| WO2020090616A1 (en) * | 2018-10-31 | 2020-05-07 | ローム株式会社 | Linear power supply circuit |
| CN112969979A (en) * | 2018-10-31 | 2021-06-15 | 罗姆股份有限公司 | Linear power supply circuit |
| JPWO2020090616A1 (en) * | 2018-10-31 | 2021-09-02 | ローム株式会社 | Linear power circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS60170821U (en) | DC stabilized power supply circuit with ripple filter | |
| JPS60111387U (en) | ripple filter circuit | |
| JPS59144913U (en) | current mirror circuit | |
| JPS60129712U (en) | power amplifier circuit | |
| JPS5894011U (en) | power circuit | |
| JPS5826212U (en) | differential amplifier | |
| JPS6040133U (en) | switch circuit | |
| JPS6039123U (en) | constant voltage circuit | |
| JPS5836410U (en) | DC constant voltage power supply circuit | |
| JPS6115820U (en) | amplifier | |
| JPS59193012U (en) | dc amplifier | |
| JPS588206U (en) | semiconductor circuit | |
| JPS60104915U (en) | Voltage regulator integrated circuit | |
| JPS60169915U (en) | oscillation circuit | |
| JPS5810115U (en) | Stabilized power supply circuit | |
| JPS59125112U (en) | amplifier | |
| JPS6079823U (en) | differential amplifier circuit | |
| JPS59155613U (en) | constant current power supply | |
| JPS5992912U (en) | Electronic regulator for bimetal gauges | |
| JPS6027511U (en) | current output amplifier | |
| JPS60155213U (en) | Input stage transistor protection circuit for electronic circuits | |
| JPS59144914U (en) | Impedance conversion circuit | |
| JPS593663U (en) | bipolar power circuit | |
| JPH0374013U (en) | ||
| JPS58191710U (en) | negative feedback amplifier |