JPH0279184U - - Google Patents
Info
- Publication number
- JPH0279184U JPH0279184U JP15899888U JP15899888U JPH0279184U JP H0279184 U JPH0279184 U JP H0279184U JP 15899888 U JP15899888 U JP 15899888U JP 15899888 U JP15899888 U JP 15899888U JP H0279184 U JPH0279184 U JP H0279184U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- negative
- load
- negative power
- ground
- 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
- 238000001914 filtration Methods 0.000 claims description 3
- 230000003321 amplification Effects 0.000 claims 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims 2
- 238000009499 grossing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案の一実施例における負入力、負
出力のスイツチングレギユレータを説明するため
の回路構成図、第２図は従来用いられた負入・負
出力のスイツチングレギユレータの回路構成図で
ある。
１１……グランド、１４……第１の負電源、１
６……電源投入遮断部、１７……濾波回路、４１
……誤差増幅器、４２……負の固定電圧、４３…
…コントロール回路、４４……第２の負電源。
Fig. 1 is a circuit configuration diagram for explaining a negative input/negative output switching regulator according to an embodiment of the present invention, and Fig. 2 is a conventional negative input/negative output switching regulator. FIG. 11...Ground, 14...First negative power supply, 1
6...Power on/off unit, 17...Filtering circuit, 41
...Error amplifier, 42...Negative fixed voltage, 43...
...Control circuit, 44...Second negative power supply.
Claims (1)
段と、 この電源投入遮断手段からの電圧を平滑化して
負荷に供給する濾波手段と、 グランドを基準とし前記負荷に供給する電圧の
基準となる負の基準電圧と、 前記濾波手段で平滑化され前記負荷に供給され
る出力電圧のこの基準電圧に対する誤差を増幅す
る誤差増幅手段と、 この誤差増幅手段で増幅された出力電圧に応じ
て前記電源投入遮断手段の投入および遮断時間を
コントロールするコントロール手段と、 グランドを基準とし前記誤差増幅手段および前
記コントロール手段に安定した負の電源を供給す
る第２の負電源 とを具備することを特徴とするスイツチングレギ
ユレータ。[Claims for Utility Model Registration] A first negative power source with reference to the ground, a power on/off means connected to the first negative power source, and a voltage applied to a load by smoothing the voltage from the power on/off means. a filtering means for supplying the filter, a negative reference voltage that is a reference for the voltage supplied to the load with reference to the ground, and amplifying the error of the output voltage smoothed by the filtering means and supplied to the load with respect to this reference voltage. error amplification means; control means for controlling the turn-on and cut-off times of the power on/off means in accordance with the output voltage amplified by the error amplification means; A switching regulator comprising: a second negative power supply that supplies a negative power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15899888U JPH0279184U (en) | 1988-12-08 | 1988-12-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15899888U JPH0279184U (en) | 1988-12-08 | 1988-12-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0279184U true JPH0279184U (en) | 1990-06-18 |
Family
ID=31439821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15899888U Pending JPH0279184U (en) | 1988-12-08 | 1988-12-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0279184U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012050168A (en) * | 2010-08-24 | 2012-03-08 | Minebea Co Ltd | Switching power supply circuit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57180372A (en) * | 1981-04-25 | 1982-11-06 | Fujitsu Ltd | Dc/dc converter |
| JPS61224620A (en) * | 1985-03-29 | 1986-10-06 | Toshiba Corp | Power transistor drive device |
| JPS61269898A (en) * | 1985-05-22 | 1986-11-29 | 松下電器産業株式会社 | Power source unit |
| JPS6277872A (en) * | 1985-09-30 | 1987-04-10 | Toshiba Corp | Overpower protective device |
| JPS62244269A (en) * | 1986-04-17 | 1987-10-24 | Matsushita Electric Ind Co Ltd | Power unit |
-
1988
- 1988-12-08 JP JP15899888U patent/JPH0279184U/ja active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57180372A (en) * | 1981-04-25 | 1982-11-06 | Fujitsu Ltd | Dc/dc converter |
| JPS61224620A (en) * | 1985-03-29 | 1986-10-06 | Toshiba Corp | Power transistor drive device |
| JPS61269898A (en) * | 1985-05-22 | 1986-11-29 | 松下電器産業株式会社 | Power source unit |
| JPS6277872A (en) * | 1985-09-30 | 1987-04-10 | Toshiba Corp | Overpower protective device |
| JPS62244269A (en) * | 1986-04-17 | 1987-10-24 | Matsushita Electric Ind Co Ltd | Power unit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012050168A (en) * | 2010-08-24 | 2012-03-08 | Minebea Co Ltd | Switching power supply circuit |