JPS6375874U - - Google Patents
Info
- Publication number
- JPS6375874U JPS6375874U JP17056786U JP17056786U JPS6375874U JP S6375874 U JPS6375874 U JP S6375874U JP 17056786 U JP17056786 U JP 17056786U JP 17056786 U JP17056786 U JP 17056786U JP S6375874 U JPS6375874 U JP S6375874U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- voltage
- terminal
- detection
- voltage detection
- 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
- 238000001514 detection method Methods 0.000 claims description 10
- 239000003990 capacitor Substances 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Measurement Of Current Or Voltage (AREA)
Description
第１図は本考案の発振回路の一実施例の電気回
路図、第２図ａ，ｂは第１図の電圧検出用ＩＣの
入力と出力電圧のタイミングチヤート、第３図ａ
，ｂ，ｃは第１図の電圧検出用ＩＣの電源電圧、
トランジスタのエミツタ電位および電圧検出用Ｉ
Ｃの出力電圧のタイミングチヤートである。
１…電圧検出用ＩＣ、ＶＤＤ，ＶＳＳ…電源検
出端子、ＶＣＣ，ＧＮＤ…電源入力端子、ＶＯＵ
Ｔ…出力端子、Ｑ…トランジスタ、Ｃ…コンデン
サ、Ｒ５…放電用抵抗。
Figure 1 is an electric circuit diagram of an embodiment of the oscillation circuit of the present invention, Figures 2a and b are timing charts of input and output voltages of the voltage detection IC in Figure 1, and Figure 3a is a
, b, c are the power supply voltages of the voltage detection IC shown in FIG.
Transistor emitter potential and voltage detection I
This is a timing chart of the output voltage of C. 1... Voltage detection IC, VDD, VSS... Power supply detection terminal, VCC, GND... Power supply input terminal, VOU
T...output terminal, Q...transistor, C...capacitor, R5...discharge resistor.
Claims (1)
源電圧が設定値以下になると出力端子からの出力
電圧が電源電圧レベルからローレベルに低下する
電圧検出用ＩＣと、コレクタおよびエミツタがそ
れぞれ正側の前記電源検出端子および前記電圧検
出用ＩＣの正側の前記電源入力端子に接続され且
つベースが前記電圧検出用ＩＣの出力端子に接続
されたトランジスタと、前記電圧検出用ＩＣの両
電源入力端子間に接続されたコンデンサと、この
コンデンサに並列接続された放電用抵抗とからな
る発振回路。 When the power supply voltage applied from the power supply detection terminal to the power supply input terminal becomes lower than the set value, the output voltage from the output terminal decreases from the power supply voltage level to the low level. A transistor connected to a power supply detection terminal and the power supply input terminal on the positive side of the voltage detection IC, and whose base is connected to the output terminal of the voltage detection IC, and both power supply input terminals of the voltage detection IC. An oscillation circuit consisting of a connected capacitor and a discharge resistor connected in parallel to this capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17056786U JPS6375874U (en) | 1986-11-06 | 1986-11-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17056786U JPS6375874U (en) | 1986-11-06 | 1986-11-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6375874U true JPS6375874U (en) | 1988-05-20 |
Family
ID=31105411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17056786U Pending JPS6375874U (en) | 1986-11-06 | 1986-11-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6375874U (en) |
-
1986
- 1986-11-06 JP JP17056786U patent/JPS6375874U/ja active Pending
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