JPH0363083U - - Google Patents
Info
- Publication number
- JPH0363083U JPH0363083U JP12332189U JP12332189U JPH0363083U JP H0363083 U JPH0363083 U JP H0363083U JP 12332189 U JP12332189 U JP 12332189U JP 12332189 U JP12332189 U JP 12332189U JP H0363083 U JPH0363083 U JP H0363083U
- Authority
- JP
- Japan
- Prior art keywords
- current
- peak
- output side
- slope compensation
- detector
- 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
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
Description
第１図は本考案の一実施例を示す回路構成図、
第２図ａはコントロールＩＣの出力パルスを示す
波形図、第２図ｂはスロープ補償回路の出力を示
す波形図、第２図ｃは電流検出波形を示す波形図
、第３図は従来例を示す回路構成図である。
３……スイツチング素子、６……電流検出器、
７……ピーク電流制御回路、１１……ドライブ回
路、１６……スロープ補償回路。
FIG. 1 is a circuit diagram showing an embodiment of the present invention;
Figure 2a is a waveform diagram showing the output pulse of the control IC, Figure 2b is a waveform diagram showing the output of the slope compensation circuit, Figure 2c is a waveform diagram showing the current detection waveform, and Figure 3 is a waveform diagram showing the conventional example. FIG. 3... Switching element, 6... Current detector,
7...Peak current control circuit, 11...Drive circuit, 16...Slope compensation circuit.
Claims (1)
うにスイツチング素子のスイツチング時間幅を制
御するピーク電流制御回路とを有する定電流制御
帰還ループを備えた電流モード制御装置において
、前記ピーク電流制御回路の出力側と前記電流検
出器の出力側との間に電流検出波形のスロープ補
償回路を接続したことを特徴とする電流モード制
御装置のスロープ補償回路。 In a current mode control device equipped with a constant current control feedback loop having a current detector and a peak current control circuit that controls a switching time width of a switching element so as to maintain a constant peak value of current, the peak current control circuit A slope compensation circuit for a current mode control device, characterized in that a slope compensation circuit for a current detection waveform is connected between the output side of the current detector and the output side of the current detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12332189U JPH0739346Y2 (en) | 1989-10-20 | 1989-10-20 | Slope compensation circuit for current mode controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12332189U JPH0739346Y2 (en) | 1989-10-20 | 1989-10-20 | Slope compensation circuit for current mode controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0363083U true JPH0363083U (en) | 1991-06-20 |
| JPH0739346Y2 JPH0739346Y2 (en) | 1995-09-06 |
Family
ID=31671305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12332189U Expired - Lifetime JPH0739346Y2 (en) | 1989-10-20 | 1989-10-20 | Slope compensation circuit for current mode controller |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0739346Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014180099A (en) * | 2013-03-14 | 2014-09-25 | Koito Mfg Co Ltd | Light source control device |
| JP2017169340A (en) * | 2016-03-15 | 2017-09-21 | 富士電機株式会社 | Control circuit and slope generation circuit for switching power supply |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4619822B2 (en) | 2005-03-03 | 2011-01-26 | 株式会社リコー | Switching regulator and voltage control method thereof |
-
1989
- 1989-10-20 JP JP12332189U patent/JPH0739346Y2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014180099A (en) * | 2013-03-14 | 2014-09-25 | Koito Mfg Co Ltd | Light source control device |
| JP2017169340A (en) * | 2016-03-15 | 2017-09-21 | 富士電機株式会社 | Control circuit and slope generation circuit for switching power supply |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0739346Y2 (en) | 1995-09-06 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |