JPS6317531U - - Google Patents
Info
- Publication number
- JPS6317531U JPS6317531U JP10985986U JP10985986U JPS6317531U JP S6317531 U JPS6317531 U JP S6317531U JP 10985986 U JP10985986 U JP 10985986U JP 10985986 U JP10985986 U JP 10985986U JP S6317531 U JPS6317531 U JP S6317531U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- power supply
- battery
- supply circuit
- output
- 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
- 230000010355 oscillation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Dc-Dc Converters (AREA)
Description
第１図はこの考案の一実施例の構成を示す回路
図、第２図及び第３図はそれぞれ従来回路の異な
る例を示す回路図である。
２１…スイツチング電源回路、２１１…コンバ
ータ出力トランジスタ、Ｑ１〜Ｑ３…トランジス
タ、Ｒ１〜Ｒ７…抵抗、Ｄ１…ダイオード。
FIG. 1 is a circuit diagram showing the configuration of one embodiment of this invention, and FIGS. 2 and 3 are circuit diagrams showing different examples of conventional circuits, respectively. DESCRIPTION OF SYMBOLS 21...Switching power supply circuit, 211...Converter output transistor, Q1 - Q3 ...Transistor, R1 - R7 ...Resistor, D1 ...Diode.
Claims (1)
において、 上記バツテリーに接続される自励発振方式のス
イツチング電源回路と、 コレクタ・エミツタ電流路が上記バツテリーの
出力端子と上記スイツチング電源回路の出力トラ
ンジスタのベースの間に挿入され、ベースに印加
される電源オン・オフ信号のレベルに応じてオン
、オフする第１のトランジスタと、 コレクタ・エミツタ電流路が上記出力トランジ
スタのベースと基準電位端との間に挿入され、上
記スイツチング電源回路の出力からベースバイア
スを受ける第２のトランジスタと、 コレクタ・エミツタ電流路が上記第２のトラン
ジスタと基準電位端との間に挿入され、上記第１
のトランジスタがオンすると、上記バツテリーか
ら該トランジスタを介してベースバイアスを受け
てオンする第３のトランジスタとを具備した車載
用電源回路。[Scope of Claim for Utility Model Registration] In an on-vehicle power supply circuit that uses a battery as a power supply source, a self-excited oscillation type switching power supply circuit connected to the battery, and a collector-emitter current path connected to the output terminal of the battery and the A first transistor that is inserted between the bases of the output transistor of the switching power supply circuit and turns on and off depending on the level of the power on/off signal applied to the base; and a collector-emitter current path that is connected to the base of the output transistor. and a reference potential terminal, a second transistor receiving a base bias from the output of the switching power supply circuit, and a collector-emitter current path inserted between the second transistor and the reference potential terminal, 1st above
and a third transistor which is turned on by receiving a base bias from the battery through the transistor when the transistor is turned on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10985986U JPS6317531U (en) | 1986-07-17 | 1986-07-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10985986U JPS6317531U (en) | 1986-07-17 | 1986-07-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6317531U true JPS6317531U (en) | 1988-02-05 |
Family
ID=30988348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10985986U Pending JPS6317531U (en) | 1986-07-17 | 1986-07-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6317531U (en) |
-
1986
- 1986-07-17 JP JP10985986U patent/JPS6317531U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6317531U (en) | ||
| JPH0440313U (en) | ||
| JPS5921569Y2 (en) | calling circuit device | |
| JPS6064618U (en) | Amplifier with damping function | |
| JPH0391985U (en) | ||
| JPS62186532U (en) | ||
| JPH0239943U (en) | ||
| JPS63126914U (en) | ||
| JPH03109432U (en) | ||
| JPS6344690U (en) | ||
| JPH0226376U (en) | ||
| JPS6237451U (en) | ||
| JPH0353038U (en) | ||
| JPS62134116U (en) | ||
| JPH0455609U (en) | ||
| JPS59128573U (en) | Overcurrent detection circuit | |
| JPS6355202U (en) | ||
| JPH0386649U (en) | ||
| JPH0225874U (en) | ||
| JPS59103539U (en) | power circuit | |
| JPH0186755U (en) | ||
| JPS6023942U (en) | Recording status display device | |
| JPS6421572U (en) | ||
| JPS63138700U (en) | ||
| JPS596314U (en) | Muting pulse generation circuit |