JPS6238036U - - Google Patents
Info
- Publication number
- JPS6238036U JPS6238036U JP12760585U JP12760585U JPS6238036U JP S6238036 U JPS6238036 U JP S6238036U JP 12760585 U JP12760585 U JP 12760585U JP 12760585 U JP12760585 U JP 12760585U JP S6238036 U JPS6238036 U JP S6238036U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- operational amplifier
- supply device
- output
- zener diode
- 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 3
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Measurement Of Current Or Voltage (AREA)
- Emergency Protection Circuit Devices (AREA)
Description
第１図は本考案の一実施例のブロツク図、第２
図は第１図中の電源電圧検出装置を示す回路図、
第３図は第２図の動作を示す回路図、第４図は従
来例のブロツク図である。
１……電源供給装置、２……電源電圧検出装置
、３１〜３ｎ……負荷装置、ＩＣ１……演算増幅
器、Ｄ１……ツエナーダイオード、ＶＯＵＴ……
出力電圧、ＶＣ……監視出力電圧。
Fig. 1 is a block diagram of an embodiment of the present invention;
The figure is a circuit diagram showing the power supply voltage detection device in Figure 1,
FIG. 3 is a circuit diagram showing the operation of FIG. 2, and FIG. 4 is a block diagram of a conventional example. 1... Power supply device, 2... Power supply voltage detection device, 31 to 3n... Load device, IC 1 ... Operational amplifier, D1... Zener diode, VOUT...
Output voltage, VC... Monitored output voltage.
Claims (1)
源供給装置とを具備する電気装置において、演算
増幅器と、前記電源供給装置の出力電圧を分圧し
て前記演算増幅器の非反転入力に与える手段と、
一端を前記演算増幅器の反転入力に接続したツエ
ナーダイオードと、前記ツエナーダイオードの一
端と前記電源供給装置の出力端との間に接続した
抵抗とを有する電源電圧検出装置を具備し、前記
演算増幅器の出力によつて前記電源供給装置の出
力電圧の低下を検出するようにしたことを特徴と
する電気装置。 An electrical device comprising a load device and a power supply device for supplying power to the load device, comprising: an operational amplifier; and means for dividing the output voltage of the power supply device and applying it to a non-inverting input of the operational amplifier;
a power supply voltage detection device including a Zener diode having one end connected to an inverting input of the operational amplifier; and a resistor connected between one end of the Zener diode and an output end of the power supply device; An electric device characterized in that a decrease in the output voltage of the power supply device is detected based on the output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12760585U JPS6238036U (en) | 1985-08-20 | 1985-08-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12760585U JPS6238036U (en) | 1985-08-20 | 1985-08-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6238036U true JPS6238036U (en) | 1987-03-06 |
Family
ID=31022515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12760585U Pending JPS6238036U (en) | 1985-08-20 | 1985-08-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6238036U (en) |
-
1985
- 1985-08-20 JP JP12760585U patent/JPS6238036U/ja active Pending
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