JPH01147635U - - Google Patents
Info
- Publication number
- JPH01147635U JPH01147635U JP4222388U JP4222388U JPH01147635U JP H01147635 U JPH01147635 U JP H01147635U JP 4222388 U JP4222388 U JP 4222388U JP 4222388 U JP4222388 U JP 4222388U JP H01147635 U JPH01147635 U JP H01147635U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- input
- main power
- circuit
- rise
- 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 4
Landscapes
- Power Sources (AREA)
- Control Of Voltage And Current In General (AREA)
- Electronic Switches (AREA)
Description
図面は本考案に関する電源回路の一実施例を示
し、第１図は回路図、第２図は第１図の各部位の
波形図、第３図及び第４図は従来例を示し、第３
図は回路図、第４図は第３図の各部位の波形図で
ある。
（主要部分を示す図面の符号の説明）、１……
主電源、２……従電源、３，４……トランジスタ
、５……リセツト回路。
The drawings show one embodiment of the power supply circuit related to the present invention, FIG. 1 is a circuit diagram, FIG. 2 is a waveform diagram of each part of FIG. 1, FIGS. 3 and 4 show a conventional example, and FIG.
The figure is a circuit diagram, and FIG. 4 is a waveform diagram of each part of FIG. 3. (Explanation of symbols in drawings indicating main parts), 1...
Main power supply, 2... secondary power supply, 3, 4... transistor, 5... reset circuit.
Claims (1)
力が立ち上がり、主電源の入力の立ち下がりより
早く従電源の出力が立ち下がる電源回路において
、上記主電源と従電源との間に、主電源の入力の
立ち上がりに応じて立ち上がり、主電源の入力の
立ち下がりより早く立ち下がるヒステリシス特性
を有するリセツト回路を設け、該リセツト回路を
介して従電源を出力させることを特徴とする電源
回路。 In a power supply circuit in which the output of the secondary power supply rises with a delay in the rise of the input of the main power supply, and the output of the slave power supply falls earlier than the fall of the input of the main power supply, the main power supply is connected between the main power supply and the slave power supply. 1. A power supply circuit comprising a reset circuit having a hysteresis characteristic that rises in response to the rise of an input and falls earlier than the fall of an input of a main power supply, and outputs a sub-power supply via the reset circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4222388U JPH01147635U (en) | 1988-03-30 | 1988-03-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4222388U JPH01147635U (en) | 1988-03-30 | 1988-03-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01147635U true JPH01147635U (en) | 1989-10-12 |
Family
ID=31268642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4222388U Pending JPH01147635U (en) | 1988-03-30 | 1988-03-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01147635U (en) |
-
1988
- 1988-03-30 JP JP4222388U patent/JPH01147635U/ja active Pending