JPS63168512U - - Google Patents
Info
- Publication number
- JPS63168512U JPS63168512U JP5807987U JP5807987U JPS63168512U JP S63168512 U JPS63168512 U JP S63168512U JP 5807987 U JP5807987 U JP 5807987U JP 5807987 U JP5807987 U JP 5807987U JP S63168512 U JPS63168512 U JP S63168512U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- switching
- regulator
- regulator circuits
- circuits
- 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 2
- 238000000034 method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Control Of Electrical Variables (AREA)
- Dc-Dc Converters (AREA)
Description
第1図は本考案の電源装置の1実施例のブロツ
ク構成図、第2図乃至第4図は第1図の切換回路
の切換動作過程を示す説明図である。
I…直流入力端子、O…直流出力端子、2…シ
リーズレギユレータ回路、3…チヨツパ型スイツ
チングレギユレータ回路、13…電圧検出回路、
14…切換回路。
FIG. 1 is a block diagram of one embodiment of the power supply device of the present invention, and FIGS. 2 to 4 are explanatory diagrams showing the switching operation process of the switching circuit of FIG. 1. I...DC input terminal, O...DC output terminal, 2...series regulator circuit, 3...chopper type switching regulator circuit, 13...voltage detection circuit,
14...Switching circuit.
Claims (1)
のシリーズレギユレータ回路と昇圧チヨツパ型の
スイツチングレギユレータ回路とを並列接続し、
この両レギユレータ回路の前段部に、入力電圧が
所定の設定レベルに対し高いか低いかの別により
前記両レギユレータ回路の切換信号を出力する電
圧検出回路と、この電圧検出回路の出力により前
記両レギユレータ回路を択一的に駆動させ、且つ
切換動作時に前記両レギユレータ回路が共に瞬時
的に駆動状態となる過程を経る構成となつた切換
回路とを備えてなる電源装置。 A step-down type series regulator circuit and a step-up chopper type switching regulator circuit are connected in parallel between the DC input terminal and the DC output terminal,
At the front stage of both regulator circuits, there is a voltage detection circuit that outputs a switching signal for both regulator circuits depending on whether the input voltage is higher or lower than a predetermined setting level, and What is claimed is: 1. A power supply device comprising: a switching circuit configured to selectively drive a circuit, and to undergo a process in which both of the regulator circuits are instantaneously brought into a driving state during a switching operation.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5807987U JPS63168512U (en) | 1987-04-15 | 1987-04-15 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5807987U JPS63168512U (en) | 1987-04-15 | 1987-04-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63168512U true JPS63168512U (en) | 1988-11-02 |
Family
ID=30888356
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5807987U Pending JPS63168512U (en) | 1987-04-15 | 1987-04-15 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63168512U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005312183A (en) * | 2004-04-21 | 2005-11-04 | Pentax Corp | Power circuit capable of supplying constant voltage |
JP2009106145A (en) * | 2007-10-19 | 2009-05-14 | Syspotek Corp | Power supply device with voltage converter circuit |
JP2010086477A (en) * | 2008-10-02 | 2010-04-15 | Hitachi Automotive Systems Ltd | Power supply control unit |
-
1987
- 1987-04-15 JP JP5807987U patent/JPS63168512U/ja active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005312183A (en) * | 2004-04-21 | 2005-11-04 | Pentax Corp | Power circuit capable of supplying constant voltage |
JP4530709B2 (en) * | 2004-04-21 | 2010-08-25 | Hoya株式会社 | Power supply circuit that can supply a constant voltage |
JP2009106145A (en) * | 2007-10-19 | 2009-05-14 | Syspotek Corp | Power supply device with voltage converter circuit |
JP2010086477A (en) * | 2008-10-02 | 2010-04-15 | Hitachi Automotive Systems Ltd | Power supply control unit |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS63168512U (en) | ||
JPS6244685U (en) | ||
JPH0228138U (en) | ||
JPH0486927U (en) | ||
JPS6393736U (en) | ||
JPS6440241U (en) | ||
JPH0358723U (en) | ||
JPS6221513U (en) | ||
JPS62201833U (en) | ||
JPS5953687U (en) | Transistor bridge type power control device | |
JPS6274499U (en) | ||
JPS62184699U (en) | ||
JPH01130297U (en) | ||
JPS63171030U (en) | ||
JPS6298235U (en) | ||
JPS643331U (en) | ||
JPS6241381U (en) | ||
JPH0288474U (en) | ||
JPS6370719U (en) | ||
JPS6253710U (en) | ||
JPH0176150U (en) | ||
JPS63159933U (en) | ||
JPS62147025U (en) | ||
JPS63160092U (en) | ||
JPH02139488U (en) |