JPS6333385U - - Google Patents
Info
- Publication number
- JPS6333385U JPS6333385U JP12535886U JP12535886U JPS6333385U JP S6333385 U JPS6333385 U JP S6333385U JP 12535886 U JP12535886 U JP 12535886U JP 12535886 U JP12535886 U JP 12535886U JP S6333385 U JPS6333385 U JP S6333385U
- Authority
- JP
- Japan
- Prior art keywords
- variable resistor
- circuit
- power supply
- output current
- switching elements
- 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
- 230000010355 oscillation Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Dc-Dc Converters (AREA)
Description
第１図はこの考案の実施例である負の電流を出
力する出力電流多段切換電源回路を表す。第２図
は第１図におけるスイツチング素子の他の例を表
す図、第３図はスイツチ制御回路のブロツク図、
第４図は正の電流を出力する電源回路の例を表す
他の実施例であり、第５図は第４図におけるスイ
ツチング素子の他の例を表す図である。第６図は
従来の電源回路を表す図である。
１……変圧器、２……発振回路、３……発振回
路の出力制御回路、４……コンパレータ（比較増
幅器）、Ｒａ〜Ｒｄ……抵抗、ＳＷａ〜ＳＷｄ…
…スイツチング素子、ＲＬ……負荷。
FIG. 1 shows an output current multi-stage switching power supply circuit that outputs negative current, which is an embodiment of this invention. FIG. 2 is a diagram showing another example of the switching element in FIG. 1, and FIG. 3 is a block diagram of a switch control circuit.
FIG. 4 shows another example of a power supply circuit that outputs a positive current, and FIG. 5 shows another example of the switching element in FIG. 4. FIG. 6 is a diagram showing a conventional power supply circuit. 1... Transformer, 2... Oscillation circuit, 3... Output control circuit of the oscillation circuit, 4... Comparator (comparison amplifier), Ra to Rd... Resistance, SWa to SWd...
...Switching element, RL...Load.
Claims (1)
力電流ループ中に可変抵抗を挿入し、この可変抵
抗の降下電圧と基準電圧を比較して前記発振回路
の出力を制御するようにした電源回路において、 前記可変抵抗を、スイツチング素子を直列に接
続した抵抗回路を複数個並列に接続して構成し、
各抵抗回路のスイツチング素子をオン・オフする
スイツチ制御回路を備えてなる出力電流多段切換
電源回路。[Claims for Utility Model Registration] An oscillation circuit is provided on the primary side of the transformer, a variable resistor is inserted into the output current loop on the secondary side, and the voltage drop of the variable resistor is compared with a reference voltage to generate the oscillation circuit. In the power supply circuit configured to control the output of the variable resistor, the variable resistor is configured by connecting a plurality of resistance circuits in parallel with switching elements connected in series,
An output current multi-stage switching power supply circuit comprising a switch control circuit that turns on and off the switching elements of each resistance circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12535886U JPS6333385U (en) | 1986-08-15 | 1986-08-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12535886U JPS6333385U (en) | 1986-08-15 | 1986-08-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6333385U true JPS6333385U (en) | 1988-03-03 |
Family
ID=31018193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12535886U Pending JPS6333385U (en) | 1986-08-15 | 1986-08-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6333385U (en) |
-
1986
- 1986-08-15 JP JP12535886U patent/JPS6333385U/ja active Pending
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