JPS566668A - Voltage converting circuit - Google Patents
Voltage converting circuitInfo
- Publication number
- JPS566668A JPS566668A JP5175780A JP5175780A JPS566668A JP S566668 A JPS566668 A JP S566668A JP 5175780 A JP5175780 A JP 5175780A JP 5175780 A JP5175780 A JP 5175780A JP S566668 A JPS566668 A JP S566668A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- fet
- igfet
- capacitors
- level
- 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
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/06—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider
- H02M3/07—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode, e.g. charge pumps
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
PURPOSE:To obtain a voltage step-up circuit whose output efficiency does not decrease even at low-voltage and is suitable to be employed in an integrated circuit by a method wherein two or more IGFET's, three or more complementary type inverter circuits, two or more capacitors, etc., are connected by a specified method. CONSTITUTION:At least two IGFET's 5N, 6N..., at least three complementary type inverters I1, I2, I7..., and at least two capacitors C3, C6..., etc., are connected with each others as shown in the figure. For example, a four-times voltage step-up circuit is constituted as shown in the figure. When the level of clock phi is L(-V1) in this circuit, FET's 1P, 2N, 3P, 4N, 5N, 7N, 9P, 10N, 11P are made to be ON-stage, while other FET's to be OFF-state and the electric potentials at connecting points 5-8 become respectively -V1, -3V1, -3V1, -4V1. When the level of clock phi is at H(GRD), the ON.OFF-state of FET's are made to reverse and the electric potential at the connecting point 8 remains always at -4V1.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5175780A JPS566668A (en) | 1980-04-21 | 1980-04-21 | Voltage converting circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5175780A JPS566668A (en) | 1980-04-21 | 1980-04-21 | Voltage converting circuit |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1526275A Division JPS5721937B2 (en) | 1975-02-07 | 1975-02-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS566668A true JPS566668A (en) | 1981-01-23 |
Family
ID=12895808
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5175780A Pending JPS566668A (en) | 1980-04-21 | 1980-04-21 | Voltage converting circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS566668A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60144085A (en) * | 1983-12-30 | 1985-07-30 | Sharp Corp | Character broadcast receiver |
US7401350B1 (en) | 1998-03-16 | 2008-07-15 | Fujitsu Limited | Local area information terminal device |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5551758A (en) * | 1978-10-04 | 1980-04-15 | Tdk Electronics Co Ltd | High dielectric constance ceramic composition |
JPS5551759A (en) * | 1978-10-06 | 1980-04-15 | Tdk Electronics Co Ltd | High dielectric constance ceramic composition |
-
1980
- 1980-04-21 JP JP5175780A patent/JPS566668A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5551758A (en) * | 1978-10-04 | 1980-04-15 | Tdk Electronics Co Ltd | High dielectric constance ceramic composition |
JPS5551759A (en) * | 1978-10-06 | 1980-04-15 | Tdk Electronics Co Ltd | High dielectric constance ceramic composition |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60144085A (en) * | 1983-12-30 | 1985-07-30 | Sharp Corp | Character broadcast receiver |
US7401350B1 (en) | 1998-03-16 | 2008-07-15 | Fujitsu Limited | Local area information terminal device |
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