JPS5576419A - Power source control system - Google Patents
Power source control systemInfo
- Publication number
- JPS5576419A JPS5576419A JP15130878A JP15130878A JPS5576419A JP S5576419 A JPS5576419 A JP S5576419A JP 15130878 A JP15130878 A JP 15130878A JP 15130878 A JP15130878 A JP 15130878A JP S5576419 A JPS5576419 A JP S5576419A
- Authority
- JP
- Japan
- Prior art keywords
- current
- voltage
- normal
- reference voltage
- load
- 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
Abstract
PURPOSE: To secure reduction of the current capacity of the power source through reduction of the load current at the make of the power source by providing the means to the power unit to negerate the 1st reference voltage to produce the normal output voltage and the 2nd reference voltage to produce the voltage lower than the normal voltage.
CONSTITUTION: At the make of the power source, temperature sensor 9 is controlled to the state under which reference voltage switch 5 is opened since the temperature within the load unit features the normal level. Thus low voltage VL obtained by dividing normal reference voltage VN8 via resistances R16 and R27 is sent to output voltage generation part 4 in the form of the reference voltage. And the current is supplied to load unit 2 via current supply line 10. As the output voltage is low, the current supplied to the load features a low level. The temperature rises up gradually since the current is consumed at unit 2. And when the temperature exceeds the prescribed level, sensor 9 closes switch 5. As a result, normal voltage NN is sent to part 4 from reference voltage generation part 3 to flow the normal current to the load. Thus the flow of the excessive load current can be avioded.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15130878A JPS5576419A (en) | 1978-12-06 | 1978-12-06 | Power source control system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15130878A JPS5576419A (en) | 1978-12-06 | 1978-12-06 | Power source control system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5576419A true JPS5576419A (en) | 1980-06-09 |
Family
ID=15515813
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15130878A Pending JPS5576419A (en) | 1978-12-06 | 1978-12-06 | Power source control system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5576419A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011065286A (en) * | 2009-09-15 | 2011-03-31 | Advantest Corp | Power unit, testing device, and power supply method |
-
1978
- 1978-12-06 JP JP15130878A patent/JPS5576419A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011065286A (en) * | 2009-09-15 | 2011-03-31 | Advantest Corp | Power unit, testing device, and power supply method |
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