JPS6438839U - - Google Patents
Info
- Publication number
- JPS6438839U JPS6438839U JP13427987U JP13427987U JPS6438839U JP S6438839 U JPS6438839 U JP S6438839U JP 13427987 U JP13427987 U JP 13427987U JP 13427987 U JP13427987 U JP 13427987U JP S6438839 U JPS6438839 U JP S6438839U
- Authority
- JP
- Japan
- Prior art keywords
- pull
- resistor
- zener diode
- utility
- parallel
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Thyristor Switches And Gates (AREA)
- Electronic Switches (AREA)
Description
第１図は本考案に係る負荷駆動回路の一実施例
を示す回路図、第２図は従来の負荷駆動回路の一
例を示す回路図である。
ＴＩＣ……タイマＩＣ、ｎｃｈ……ｎチヤンネ
ル型出力ＭＯＳトランジスタ、ＲＤ……内蔵され
たプルアツプドレイン抵抗、ＤＺ′……外付けツ
エナーダイオード。
FIG. 1 is a circuit diagram showing an embodiment of a load driving circuit according to the present invention, and FIG. 2 is a circuit diagram showing an example of a conventional load driving circuit. TIC...Timer IC, nch...N-channel type output MOS transistor, RD...Built-in pull-up drain resistor, DZ'...External Zener diode.
Claims (1)
ＩＣ回路素子を用いた負荷駆動回路において、 前記プルアツプ抵抗と並列に外付けツエナーダ
イオードを接続したこと、 を特徴とする負荷駆動回路。[Claims for Utility Model Registration] A load drive circuit using an IC circuit element incorporating an output transistor with a pull-up resistor, characterized in that an external Zener diode is connected in parallel with the pull-up resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13427987U JPS6438839U (en) | 1987-09-02 | 1987-09-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13427987U JPS6438839U (en) | 1987-09-02 | 1987-09-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6438839U true JPS6438839U (en) | 1989-03-08 |
Family
ID=31392893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13427987U Pending JPS6438839U (en) | 1987-09-02 | 1987-09-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6438839U (en) |
-
1987
- 1987-09-02 JP JP13427987U patent/JPS6438839U/ja active Pending
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