JPH01162781U - - Google Patents
Info
- Publication number
- JPH01162781U JPH01162781U JP5770688U JP5770688U JPH01162781U JP H01162781 U JPH01162781 U JP H01162781U JP 5770688 U JP5770688 U JP 5770688U JP 5770688 U JP5770688 U JP 5770688U JP H01162781 U JPH01162781 U JP H01162781U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- signal
- output
- error
- error amplifier
- 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.)
- Granted
Links
- 239000003990 capacitor Substances 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Dc-Dc Converters (AREA)
Description
第１図は本考案の一実施例を示す構成ブロツク
図、第２図は第１図の装置の動作を示す波形図、
第３図はトランスを有しないダウン型とよばれる
直流スイツチング電源に実施する場合の構成ブロ
ツク図、第４図は第３図の装置の動作を示す波形
図である。第５図は従来装置の構成ブロツク図で
ある。
Ｕ１…誤差増幅器、Ｃ３…コンデンサ、Ｒ３…
抵抗、Ｄ３…ダイオード、ｅｏｐ…誤差信号。
FIG. 1 is a configuration block diagram showing an embodiment of the present invention; FIG. 2 is a waveform diagram showing the operation of the device shown in FIG. 1;
FIG. 3 is a block diagram of the configuration when implemented in a so-called down-type DC switching power supply that does not have a transformer, and FIG. 4 is a waveform diagram showing the operation of the device of FIG. 3. FIG. 5 is a block diagram of a conventional device. U1...Error amplifier, C3...Capacitor, R3...
Resistor, D3...Diode, e op ...Error signal.
Claims (1)
ンオフして、発生したスイツチング信号を整流平
滑化して負荷に直流電圧を送るコンバータ部と、 このコンバータ部で出力する電圧を所定の基準
電圧と比較して誤差信号を出力する誤差増幅器と
、 この誤差増幅器で出力された誤差信号がゼロと
なるように前記スイツチング素子に制御信号を送
るＰＷＭ制御部と、 を備えた直流スイツチング電源において、 誤差増幅器のマイナス端子に前記基準電圧を供
給し、プラス端子に前記出力電圧に関連した信号
を入力し、出力端子とマイナス端子との間に抵抗
とコンデンサを直列に接続して位相補償をすると
共に、この抵抗とコンデンサと並列にダイオード
を取付けて出力端子側にカソード側を向けたこと
を特徴とする直流スイツチング電源。 (2) 直流入力電圧をスイツチング素子によりオ
ンオフして、発生したスイツチング信号を整流平
滑化して負荷に直流電圧を送るコンバータ部と、 このコンバータ部で出力する電圧を所定の基準
電圧と比較して誤差信号を出力する誤差増幅器と
、 この誤差増幅器で出力された誤差信号がゼロと
なるように前記スイツチング素子に制御信号を送
るＰＷＭ制御部と、 を備えた直流スイツチング電源において、 誤差増幅器のプラス端子に前記基準電圧を供給
し、マイナス端子に前記出力電圧に関連した信号
を入力し、出力端子とマイナス端子との間に抵抗
とコンデンサを直列に接続して位相補償をすると
共に、この抵抗とコンデンサと並列にダイオード
を取付けて出力端子側にアノード側を向けたこと
を特徴とする直流スイツチング電源。[Claims for Utility Model Registration] (1) A converter section that turns on and off a DC input voltage using a switching element, rectifies and smoothes the generated switching signal, and sends a DC voltage to a load; A DC switching power supply comprising: an error amplifier that outputs an error signal by comparing it with a reference voltage; and a PWM control unit that sends a control signal to the switching element so that the error signal output from the error amplifier becomes zero. In this step, the reference voltage is supplied to the negative terminal of the error amplifier, a signal related to the output voltage is inputted to the positive terminal, and a resistor and a capacitor are connected in series between the output terminal and the negative terminal to perform phase compensation. A DC switching power supply characterized by having a diode installed in parallel with the resistor and capacitor, with the cathode facing the output terminal side. (2) A converter section that turns the DC input voltage on and off using a switching element, rectifies and smoothes the generated switching signal, and sends the DC voltage to the load. The voltage output from this converter section is compared with a predetermined reference voltage to determine the error. A DC switching power supply comprising: an error amplifier that outputs a signal; and a PWM control unit that sends a control signal to the switching element so that the error signal output from the error amplifier becomes zero; The reference voltage is supplied, a signal related to the output voltage is input to the negative terminal, a resistor and a capacitor are connected in series between the output terminal and the negative terminal for phase compensation, and the resistor and capacitor are connected in series. A DC switching power supply characterized by having diodes installed in parallel with the anode side facing the output terminal side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5770688U JPH0537664Y2 (en) | 1988-04-28 | 1988-04-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5770688U JPH0537664Y2 (en) | 1988-04-28 | 1988-04-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01162781U true JPH01162781U (en) | 1989-11-13 |
| JPH0537664Y2 JPH0537664Y2 (en) | 1993-09-22 |
Family
ID=31283549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5770688U Expired - Lifetime JPH0537664Y2 (en) | 1988-04-28 | 1988-04-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0537664Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022163297A1 (en) * | 2021-01-27 | 2022-08-04 | 株式会社日立ハイテク | High-voltage module and mass spectroscope using same |
-
1988
- 1988-04-28 JP JP5770688U patent/JPH0537664Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022163297A1 (en) * | 2021-01-27 | 2022-08-04 | 株式会社日立ハイテク | High-voltage module and mass spectroscope using same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0537664Y2 (en) | 1993-09-22 |
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