JPS5627422A - Regulated electric power source circuit - Google Patents
Regulated electric power source circuitInfo
- Publication number
- JPS5627422A JPS5627422A JP10379279A JP10379279A JPS5627422A JP S5627422 A JPS5627422 A JP S5627422A JP 10379279 A JP10379279 A JP 10379279A JP 10379279 A JP10379279 A JP 10379279A JP S5627422 A JPS5627422 A JP S5627422A
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- actuation
- supplied
- circuit
- electric power
- 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.)
- Granted
Links
Landscapes
- Dc-Dc Converters (AREA)
Abstract
PURPOSE: To realize stable actuation by reducing base current supplied from the output side of a driving circuit to a switching transistor only in actuation.
CONSTITUTION: When voltage (a) developed across capacitor C9b and supplied to control signal generation circuit 1 for actuation increases gradually up to fixed voltage V0, (time point t1) circuit 1 starts operation, but since voltage (b) developed across C11b and supplied as an electric power source for starting driving circuit 2 is a relatively low voltage, base current supplied from the output side of circuit 2 to the base of switching trasistor 3 is less then that in normal operation. Because of the constitution like this, a drop in voltage (a) is small in its actuation and a signal obtained by rectifying an AC signal obtained at tertiary winding 4c immediately after the voltage drop is supplied to C9b and C11b, so that voltages (a) and (b) will rise as shown in the figure up to the required value. Consequently, circuits 1 and 2 are put into stable operation and the actuation is stabilized.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10379279A JPS5627422A (en) | 1979-08-15 | 1979-08-15 | Regulated electric power source circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10379279A JPS5627422A (en) | 1979-08-15 | 1979-08-15 | Regulated electric power source circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5627422A true JPS5627422A (en) | 1981-03-17 |
JPS626426B2 JPS626426B2 (en) | 1987-02-10 |
Family
ID=14363244
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10379279A Granted JPS5627422A (en) | 1979-08-15 | 1979-08-15 | Regulated electric power source circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5627422A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6046769A (en) * | 1983-08-22 | 1985-03-13 | Tdk Corp | Switching power source |
US5612860A (en) * | 1993-08-12 | 1997-03-18 | Powerpaq Technologies Inc. | Start-up and running circuit for resonant transition power converters |
-
1979
- 1979-08-15 JP JP10379279A patent/JPS5627422A/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6046769A (en) * | 1983-08-22 | 1985-03-13 | Tdk Corp | Switching power source |
US5612860A (en) * | 1993-08-12 | 1997-03-18 | Powerpaq Technologies Inc. | Start-up and running circuit for resonant transition power converters |
Also Published As
Publication number | Publication date |
---|---|
JPS626426B2 (en) | 1987-02-10 |
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