JPH023144U - - Google Patents
Info
- Publication number
- JPH023144U JPH023144U JP7770988U JP7770988U JPH023144U JP H023144 U JPH023144 U JP H023144U JP 7770988 U JP7770988 U JP 7770988U JP 7770988 U JP7770988 U JP 7770988U JP H023144 U JPH023144 U JP H023144U
- Authority
- JP
- Japan
- Prior art keywords
- output voltage
- voltage
- feedback
- control means
- transistor
- 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
- 238000010586 diagram Methods 0.000 description 3
Description
第１図はこの考案に係るＤＣ―ＤＣコンバータ
回路の一実施例を示す回路図、第２図はこの考案
によるラインレギユレーシヨン特性を示す特性図
、第３図及び第４図は従来のラインレギユレーシ
ヨン特性及び電池電圧特性を示す特性図である。
１…ＡＣアダプタ接続ジヤツク、２…電池、３
…電圧ライン、４…ダイオード、５…電源スイツ
チ、６…トランス、７…トランジスタ、８…コン
トロール回路、９…電圧ライン、１０…ダイオー
ド、１２…出力端子、１３〜１５…抵抗（直列抵
抗手段）、１６…トランジスタ（電源検知手段）
、１７，１８…抵抗。
Fig. 1 is a circuit diagram showing an embodiment of the DC-DC converter circuit according to this invention, Fig. 2 is a characteristic diagram showing line regulation characteristics according to this invention, and Figs. FIG. 3 is a characteristic diagram showing line regulation characteristics and battery voltage characteristics. 1...AC adapter connection jack, 2...Battery, 3
... Voltage line, 4... Diode, 5... Power switch, 6... Transformer, 7... Transistor, 8... Control circuit, 9... Voltage line, 10... Diode, 12... Output terminal, 13-15... Resistor (series resistance means) , 16...transistor (power supply detection means)
, 17, 18...resistance.
Claims (1)
、この接続手段に接続したいずれかの電源からの
直流電圧より出力電圧を出力するＤＣ―ＤＣコン
バータ回路において、 複数の抵抗による直列接続から成り、一方端抵
抗に前記出力電圧を印加し、他方端抵抗を基準電
位点に接続して前記出力電圧を低下した帰還電圧
を形成する直列抵抗手段と、 この直列抵抗手段からの前記帰還電圧の大きさ
に応じて前記出力電圧をコントロールする出力電
圧コントロール手段と、 前記接続手段に接続したある特定電源の接続の
有無に応じてオンオフ動作して前記直列抵抗中の
基準電位側抵抗を短絡可能なトランジスタを有し
、このトランジスタの動作に起因した前記帰還電
圧の変化によつて前記出力電圧コントロール手段
を動作させ電源の種類に応じて出力電圧のコント
ロール特性を異にする電源検知手段とを具備した
ことを特徴とするＤＣ―ＤＣコンバータ回路。[Claims for Utility Model Registration] In a DC-DC converter circuit that has a connecting means capable of connecting two or more types of power sources and outputs an output voltage from a DC voltage from one of the power sources connected to the connecting means, a series resistance means consisting of a plurality of resistors connected in series, applying the output voltage to the resistor at one end and connecting the resistor at the other end to a reference potential point to form a feedback voltage that is lower than the output voltage; output voltage control means for controlling the output voltage according to the magnitude of the feedback voltage from the means; and output voltage control means for controlling the output voltage according to the magnitude of the feedback voltage from the means; It has a transistor that can short-circuit the potential side resistance, and operates the output voltage control means according to a change in the feedback voltage caused by the operation of this transistor, and changes the control characteristics of the output voltage depending on the type of power source. A DC-DC converter circuit characterized by comprising a power supply detection means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7770988U JPH023144U (en) | 1988-06-14 | 1988-06-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7770988U JPH023144U (en) | 1988-06-14 | 1988-06-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH023144U true JPH023144U (en) | 1990-01-10 |
Family
ID=31302675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7770988U Pending JPH023144U (en) | 1988-06-14 | 1988-06-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH023144U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012147448A1 (en) * | 2011-04-25 | 2012-11-01 | アイシン・エィ・ダブリュ株式会社 | Discharge control circuit |
-
1988
- 1988-06-14 JP JP7770988U patent/JPH023144U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012147448A1 (en) * | 2011-04-25 | 2012-11-01 | アイシン・エィ・ダブリュ株式会社 | Discharge control circuit |
| JP2012231556A (en) * | 2011-04-25 | 2012-11-22 | Aisin Aw Co Ltd | Discharge control circuit |