JPH0230291U - - Google Patents
Info
- Publication number
- JPH0230291U JPH0230291U JP10546588U JP10546588U JPH0230291U JP H0230291 U JPH0230291 U JP H0230291U JP 10546588 U JP10546588 U JP 10546588U JP 10546588 U JP10546588 U JP 10546588U JP H0230291 U JPH0230291 U JP H0230291U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- power supply
- converter
- switching regulator
- voltage
- 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 4
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Dc-Dc Converters (AREA)
Description
第１図はこの考案に係るＤＣ―ＤＣコンバータ
電源の実施例を示したブロツク図である。第２図
は従来例のブロツク図である。
主な番号の説明、２：電圧レギユレータ回路、
３：選択回路、４：スイツチングレギユレータ回
路、５：ＤＣ―ＤＣコンバータ昇圧回路、７：降
下電圧の検出回路、８：スイツチ回路。
FIG. 1 is a block diagram showing an embodiment of the DC-DC converter power supply according to this invention. FIG. 2 is a block diagram of a conventional example. Explanation of main numbers, 2: Voltage regulator circuit,
3: Selection circuit, 4: Switching regulator circuit, 5: DC-DC converter boost circuit, 7: Drop voltage detection circuit, 8: Switch circuit.
Claims (1)
―ＤＣコンバータ電源において、 ＤＣ―ＤＣコンバータ出力電圧の降下電圧を検
出する検出回路と、この検出回路の検出信号でス
イツチングするスイツチ回路と、上記スイツチン
グレギユレータ回路に供給される供給電源Ｖｄｄ
が低電圧源からの安定化された低電圧か、または
高電圧源からの高電圧かを選択する選択回路とで
構成したことを特徴とするＤＣ―ＤＣコンバータ
電源。[Claims for Utility Model Registration] DC driven by switching regulator circuit
- In the DC converter power supply, there is a detection circuit that detects a voltage drop in the output voltage of the DC-DC converter, a switch circuit that switches based on the detection signal of this detection circuit, and a power supply Vdd supplied to the switching regulator circuit.
1. A DC-DC converter power supply comprising: a selection circuit for selecting either a stabilized low voltage from a low voltage source or a high voltage from a high voltage source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10546588U JPH0230291U (en) | 1988-08-11 | 1988-08-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10546588U JPH0230291U (en) | 1988-08-11 | 1988-08-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0230291U true JPH0230291U (en) | 1990-02-26 |
Family
ID=31338104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10546588U Pending JPH0230291U (en) | 1988-08-11 | 1988-08-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0230291U (en) |
-
1988
- 1988-08-11 JP JP10546588U patent/JPH0230291U/ja active Pending
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