JP2005310081A - Constant voltage circuit for voltage subtraction - Google Patents

Constant voltage circuit for voltage subtraction Download PDF

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Publication number
JP2005310081A
JP2005310081A JP2004151077A JP2004151077A JP2005310081A JP 2005310081 A JP2005310081 A JP 2005310081A JP 2004151077 A JP2004151077 A JP 2004151077A JP 2004151077 A JP2004151077 A JP 2004151077A JP 2005310081 A JP2005310081 A JP 2005310081A
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Japan
Prior art keywords
voltage
constant voltage
constant
transistor
circuit
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Pending
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JP2004151077A
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Japanese (ja)
Inventor
Shinji Takano
眞次 鷹野
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Individual
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Individual
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Publication date
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Priority to JP2004151077A priority Critical patent/JP2005310081A/en
Publication of JP2005310081A publication Critical patent/JP2005310081A/en
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Abstract

<P>PROBLEM TO BE SOLVED: To solve a problem of close to zero temperature coefficient of constant voltage and extremely low dynamic resistance by realizing free designation of the maximum working current and constant voltage. <P>SOLUTION: A constant voltage circuit uses a transistor with large current amplification factor as a semiconductor device, a combination of transistors with Darlington connection, if necessary, and a constant voltage diode with the voltage temperature characteristics for compensating the voltage temperature characteristics of base-emitter of the transistor to make the constant voltage temperature zero in combination, thereby obtaining the semiconductor device with excellent voltage drop characteristic and a circuit of excellent constant voltage characteristics. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

電源電圧変更関係。Power supply voltage change related.

従来無いであろう半導体集積回路で個別部品回路で話題になかった。There was no topic in individual component circuits in semiconductor integrated circuits that would have never existed before.

発明が解決しようとする課題Problems to be solved by the invention

最大使用電流値、定電圧値を自由に設計可能。定電圧の温度係数がゼロに近い。動作抵抗が著しく小さい。Maximum working current value and constant voltage value can be designed freely. Constant voltage temperature coefficient is close to zero. The operating resistance is extremely small.

課題を解決するための手段Means for solving the problem

半導体回路を使って実現する。Realized using semiconductor circuits.

定電圧性能優る。つまり優秀降電圧為の半導体装置である。Excellent constant voltage performance. That is, it is a semiconductor device for excellent voltage drop.

優秀性能実現のために半導体素子として電流増幅率の大きいトランジスター、必要であるならばダーリントン接続トランジスター組み合わせ、定電圧温度特性ゼロになる組み合わせのトランジスターのベース−エミッタ間電圧温度特性と補償できる電圧温度特性の定電圧ダイオードを使う。A transistor with a large current amplification factor as a semiconductor element to realize excellent performance, a Darlington-connected transistor combination if necessary, a constant-temperature temperature characteristic of a transistor with a constant voltage temperature characteristic and a voltage-temperature characteristic that can be compensated for Use a constant voltage diode.

例えば、電蓄電源。For example, electricity storage power.

例えば真空管直流電源の高電圧を決められた高電圧値に降電圧する場合、本発明装置の設計電圧値を電源電圧と必要電圧値を引き算した電圧値に製作して、電源と負荷の中間に挿入して扱う。扱う電流値に注意が絶対に必要。利用応用が優秀簡単である。便利。For example, when dropping the high voltage of a vacuum tube DC power supply to a predetermined high voltage value, the design voltage value of the device of the present invention is manufactured to a voltage value obtained by subtracting the power supply voltage and the required voltage value, and placed between the power supply and the load. Insert and handle. It is absolutely necessary to pay attention to the current value. Application is excellent and simple. Convenient.

２端子間電圧は式ＶＡＢの計算で決まる。２端子間電流の最大値は式Ｉｏｍａｘで計算できる。抵抗Ｒ４の電圧降下は無視する、つまりＩｏＲ４＜＜ＶＡＢである。ＺＮ１のツェナー電流は式Ｉｚで計算できる。The voltage between the two terminals is determined by the calculation of the expression VAB. The maximum value of the current between the two terminals can be calculated by the formula Iomax. The voltage drop across resistor R4 is ignored, i.e. IoR4 << VAB. The Zener current of ZN1 can be calculated by the formula Iz. ２端子間電圧は式ＶＡＢの計算で決まる。２端子間電流の最大値は式Ｉｏｍａｘで計算できる。ＺＮ１のツェナー電流は式Ｉｚで計算できる。The voltage between the two terminals is determined by the calculation of the expression VAB. The maximum value of the current between the two terminals can be calculated by the formula Iomax. The Zener current of ZN1 can be calculated by the formula Iz.

符号の説明Explanation of symbols

【図１】ＺＮ１ ツェナーダイオード
Ｄ１ 逆電圧印加保護ダイオード
Ｃ１ 発振止め容量器
Ｒ３ ＺＮ１の電流Ｉｚを決める抵抗器
Ｒ４ 電流値検出抵抗器
【図２】ＺＮ１ ツェナーダイオード
Ｄ１ 逆電圧印加保護ダイオード
Ｃ１ 発振止め容量器
Ｒ３ ＺＮ１の電流Ｉｚを決める抵抗器
Ｒ４ 電流値検出抵抗器1] ZN1 Zener diode D1 Reverse voltage application protection diode C1 Oscillation prevention capacitor R3 Resistor for determining current Iz of ZN1 R4 Current value detection resistor [FIG. 2] ZN1 Zener diode D1 Reverse voltage application protection diode C1 Oscillation prevention capacitor R3 Resistor that determines the current Iz of ZN1 R4 Current value detection resistor

Claims (2)

電源関係、一般的幅広い。
基本特許である。Power supply related, generally wide.
It is a basic patent. 集積回路Integrated circuit
JP2004151077A 2004-04-19 2004-04-19 Constant voltage circuit for voltage subtraction Pending JP2005310081A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004151077A JP2005310081A (en) 2004-04-19 2004-04-19 Constant voltage circuit for voltage subtraction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004151077A JP2005310081A (en) 2004-04-19 2004-04-19 Constant voltage circuit for voltage subtraction

Publications (1)

Publication Number Publication Date
JP2005310081A true JP2005310081A (en) 2005-11-04

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ID=35438738

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004151077A Pending JP2005310081A (en) 2004-04-19 2004-04-19 Constant voltage circuit for voltage subtraction

Country Status (1)

Country Link
JP (1) JP2005310081A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11260798B2 (en) 2015-06-05 2022-03-01 Lund Motion Products, Inc. Horizontal retractable vehicle step
US11713012B2 (en) 2015-06-05 2023-08-01 Lund Motion Products, Inc. Retractable step and side bar assembly for raised vehicle
US11964629B2 (en) 2021-11-10 2024-04-23 Lund Motion Products, Inc. Retractable vehicle step

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11260798B2 (en) 2015-06-05 2022-03-01 Lund Motion Products, Inc. Horizontal retractable vehicle step
US11713012B2 (en) 2015-06-05 2023-08-01 Lund Motion Products, Inc. Retractable step and side bar assembly for raised vehicle
US11964629B2 (en) 2021-11-10 2024-04-23 Lund Motion Products, Inc. Retractable vehicle step

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