JPS627779U - - Google Patents
Info
- Publication number
- JPS627779U JPS627779U JP9835585U JP9835585U JPS627779U JP S627779 U JPS627779 U JP S627779U JP 9835585 U JP9835585 U JP 9835585U JP 9835585 U JP9835585 U JP 9835585U JP S627779 U JPS627779 U JP S627779U
- Authority
- JP
- Japan
- Prior art keywords
- protection circuit
- converter
- resistor
- switching element
- power switching
- 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
- 230000003111 delayed effect Effects 0.000 claims 2
- 239000003990 capacitor Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Landscapes
- Protection Of Static Devices (AREA)
- Dc-Dc Converters (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図は従来のＤＣ―ＤＣコンバータの保護回路を示
す回路図である。
１……入力電源、２……トランジスタ、３……
抵抗器、４……コンデンサ、５……抵抗器、６…
…ＰＷＭ制御回路、７……ブレーカ、８……コン
デンサ、９……ダイオード、１０……トランジス
タ、１１……トランジスタ、１２……抵抗器、１
３……抵抗器、１４……抵抗器、１５……トラン
ス、１６……ダイオード、１７……コンデンサ、
１８……誤差増幅回路、１９……抵抗器、２０…
…ダイオード、２１……コンデンサ、２２……過
電流検出回路。
Figure 1 is a circuit diagram showing one embodiment of the present invention;
The figure is a circuit diagram showing a protection circuit of a conventional DC-DC converter. 1...Input power supply, 2...Transistor, 3...
Resistor, 4...Capacitor, 5...Resistor, 6...
...PWM control circuit, 7...Breaker, 8...Capacitor, 9...Diode, 10...Transistor, 11...Transistor, 12...Resistor, 1
3...Resistor, 14...Resistor, 15...Transformer, 16...Diode, 17...Capacitor,
18...Error amplification circuit, 19...Resistor, 20...
...Diode, 21...Capacitor, 22...Overcurrent detection circuit.
Claims (1)
るＤＣ―ＤＣコンバータの保護回路において、Ｄ
Ｃ―ＤＣコンバータの電力スイツチング素子に直
列に接続された抵抗器と、この抵抗器に並列に接
続され、前記電力スイツチング素子のための過負
荷保護回路と、この過負荷保護回路からの信号を
遅延させる信号遅延回路と、遅延された信号によ
り駆動され、前記入力ブレーカをカツトオフする
カツトオフ回路とを備えることを特徴とするＤＣ
―ＤＣコンバータの保護回路。 In the protection circuit of a DC-DC converter with an input breaker inserted in the input line, D
a resistor connected in series with the power switching element of the C-DC converter; an overload protection circuit connected in parallel with the resistor for the power switching element; and a signal delayed from the overload protection circuit. and a cut-off circuit that is driven by the delayed signal and cuts off the input breaker.
-DC converter protection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9835585U JPS627779U (en) | 1985-06-29 | 1985-06-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9835585U JPS627779U (en) | 1985-06-29 | 1985-06-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS627779U true JPS627779U (en) | 1987-01-17 |
Family
ID=30966212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9835585U Pending JPS627779U (en) | 1985-06-29 | 1985-06-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS627779U (en) |
-
1985
- 1985-06-29 JP JP9835585U patent/JPS627779U/ja active Pending