JPH0352674U - - Google Patents
Info
- Publication number
- JPH0352674U JPH0352674U JP11469789U JP11469789U JPH0352674U JP H0352674 U JPH0352674 U JP H0352674U JP 11469789 U JP11469789 U JP 11469789U JP 11469789 U JP11469789 U JP 11469789U JP H0352674 U JPH0352674 U JP H0352674U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- supply voltage
- switching element
- predetermined level
- detection circuit
- 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 2
- 238000010586 diagram Methods 0.000 description 2
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回路図、第２図は
従来の一例の回路図である。
１……集積回路、３……３端子レギユレータ、
４……ツエナーダイオード、５……ダイオード、
６……コンパレータ、７……処理回路。
FIG. 1 is a circuit diagram of an embodiment of the present invention, and FIG. 2 is a circuit diagram of a conventional example. 1... Integrated circuit, 3... 3-terminal regulator,
4... Zener diode, 5... Diode,
6... Comparator, 7... Processing circuit.
Claims (1)
下したことを検出する電圧検出回路において、 前記電源電圧が印加され、前記電源電圧レベル
が前記所定のレベルより大か、小かによりオン・
オフするスイツチング素子を具備し、前記スイツ
チング素子のオン・オフにより前記スイツチング
素子に流れる電流を制御して該電流の有無により
前記電源電圧が前記所定のレベルより大か、小か
を検出する構成としてなる電圧検出回路。[Claims for Utility Model Registration] In a voltage detection circuit that detects that a power supply voltage has fallen below a predetermined level, the power supply voltage level is higher than the predetermined level when the power supply voltage is applied; On/off depending on the size
The configuration includes a switching element that turns off, and controls a current flowing through the switching element by turning on and off the switching element, and detects whether the power supply voltage is higher or lower than the predetermined level based on the presence or absence of the current. voltage detection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11469789U JPH0352674U (en) | 1989-09-29 | 1989-09-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11469789U JPH0352674U (en) | 1989-09-29 | 1989-09-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0352674U true JPH0352674U (en) | 1991-05-22 |
Family
ID=31663050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11469789U Pending JPH0352674U (en) | 1989-09-29 | 1989-09-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0352674U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6241262U (en) * | 1985-08-30 | 1987-03-12 |
-
1989
- 1989-09-29 JP JP11469789U patent/JPH0352674U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6241262U (en) * | 1985-08-30 | 1987-03-12 |
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