JPH01146791U - - Google Patents
Info
- Publication number
- JPH01146791U JPH01146791U JP1988035675U JP3567588U JPH01146791U JP H01146791 U JPH01146791 U JP H01146791U JP 1988035675 U JP1988035675 U JP 1988035675U JP 3567588 U JP3567588 U JP 3567588U JP H01146791 U JPH01146791 U JP H01146791U
- Authority
- JP
- Japan
- Prior art keywords
- switching element
- voltage
- load
- switching
- set value
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 239000003990 capacitor Substances 0.000 claims description 2
- 238000009499 grossing Methods 0.000 claims 2
- 238000004146 energy storage Methods 0.000 claims 1
- 230000000087 stabilizing effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
- H02M3/1582—Buck-boost converters
Description
第１図はこの考案の一実施例を示す回路図、第
２図は降圧型スイツチング・レギユレータの回路
図、第３図は昇圧型スイツチング・レギユレータ
の回路図である。
２……直流電源、３，４……スイツチング・レ
ギユレータ、５……負荷、６，８……スイツチン
グ素子、７……コイル、１０……コンデンサ、１
１，１２……電圧検知回路、１３，１４……スイ
ツチ素子制御回路。
FIG. 1 is a circuit diagram showing an embodiment of this invention, FIG. 2 is a circuit diagram of a step-down switching regulator, and FIG. 3 is a circuit diagram of a step-up switching regulator. 2... DC power supply, 3, 4... Switching regulator, 5... Load, 6, 8... Switching element, 7... Coil, 10... Capacitor, 1
1, 12... Voltage detection circuit, 13, 14... Switch element control circuit.
Claims (1)
第１のスイツチング素子と平滑用のコイルとを備
えた降圧用のスイツチング・レギユレータと、前
記コイルと前記負荷との間にあつて、前記負荷に
対して並列に接続されてある第２のスイツチング
素子を備え、前記コイルをエネルギ蓄積用のコイ
ルに兼用して構成されてある昇圧用のスイツチン
グ・レギユレータと、前記第２のスイツチング素
子と前記負荷との間にあつて、前記負荷に並列に
接続されてあり、前記両スイツチング・レギユレ
ータに共用される平滑用のコンデンサと、前記負
荷に印加される出力電圧を設定値と比較検知する
電圧検知回路と、前記出力電圧が前記設定値より
も高いことを前記電圧検知回路が検出したときに
、前記第１のスイツチング素子をオン、オフ動作
させ、前記第２のスイツチング素子をオフに固定
し、および前記出力電圧が前記設定値よりも低い
ことを前記電圧検知回路が検出したときに、前記
第１のスイツチング素子をオンに固定し、前記第
２のスイツチング素子をオン、オフ動作させるス
イツチング素子制御回路とからなる直流電圧安定
化装置。 a step-down switching regulator comprising a first switching element and a smoothing coil connected in series between a DC power source and a load; a voltage boosting switching regulator, comprising a second switching element connected in parallel to the voltage booster, the coil also serving as an energy storage coil; and the second switching element and the load. a smoothing capacitor connected in parallel to the load and shared by both switching regulators, and a voltage detection circuit that compares and detects the output voltage applied to the load with a set value. and when the voltage detection circuit detects that the output voltage is higher than the set value, the first switching element is turned on and off, and the second switching element is fixed in the off state, and a switching element control circuit that fixes the first switching element on and turns on and off the second switching element when the voltage detection circuit detects that the output voltage is lower than the set value; A DC voltage stabilizing device consisting of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988035675U JPH01146791U (en) | 1988-03-17 | 1988-03-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988035675U JPH01146791U (en) | 1988-03-17 | 1988-03-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01146791U true JPH01146791U (en) | 1989-10-11 |
Family
ID=31262318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988035675U Pending JPH01146791U (en) | 1988-03-17 | 1988-03-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01146791U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0363078U (en) * | 1989-10-25 | 1991-06-20 | ||
| JP2009545945A (en) * | 2006-08-04 | 2009-12-24 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | DC-DC power converter with switch control circuit coupled magnetically |
-
1988
- 1988-03-17 JP JP1988035675U patent/JPH01146791U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0363078U (en) * | 1989-10-25 | 1991-06-20 | ||
| JP2009545945A (en) * | 2006-08-04 | 2009-12-24 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | DC-DC power converter with switch control circuit coupled magnetically |