JPS5592912A - Power source unit - Google Patents
Power source unitInfo
- Publication number
- JPS5592912A JPS5592912A JP16505978A JP16505978A JPS5592912A JP S5592912 A JPS5592912 A JP S5592912A JP 16505978 A JP16505978 A JP 16505978A JP 16505978 A JP16505978 A JP 16505978A JP S5592912 A JPS5592912 A JP S5592912A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- output system
- voltage
- output
- fall
- 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
Landscapes
- Continuous-Control Power Sources That Use Transistors (AREA)
Abstract
PURPOSE: To simplify circuit constitution by eliminating the need for another circuit for a sequence when a power unit requested to follow the order of a rise and fall in voltage is OFF, by realizing the sequence by using an overcurrent trailing circuit used normally for the purpose of protection.
CONSTITUTION: A voltage supplied from common AC power supply AC is converted into DC voltages by rectifying and smoothing circuits 1 and 2; the DC voltage of circuit 1 is applied to 1st DC output system PS1, and the DC voltage of circuit 2 to 2nd DC output system PS2. To request the DC voltage of output system PS1 to fall more rapidly than that of output system PS2 with AC power supply AC OFF, "dogleg"-shaped overcurrent trailing circuit 3 is connected between the output side of circuit 1 and the input side of output system PS1 and the rise of output system PS1 is delayed by this circuit 3 and slow start circuit 4. Then, circuit 3 is operated by short circuit 5 provided with switch SWC performing the reverse operation of a power switch at the output side of output system PS1, thereby quickening the fall of output voltage OUT2.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16505978A JPS5592912A (en) | 1978-12-29 | 1978-12-29 | Power source unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16505978A JPS5592912A (en) | 1978-12-29 | 1978-12-29 | Power source unit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5592912A true JPS5592912A (en) | 1980-07-14 |
Family
ID=15805061
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16505978A Pending JPS5592912A (en) | 1978-12-29 | 1978-12-29 | Power source unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5592912A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61108092U (en) * | 1984-12-19 | 1986-07-09 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5344854A (en) * | 1976-10-05 | 1978-04-22 | Toshiba Corp | Dc stbilized power source unit |
-
1978
- 1978-12-29 JP JP16505978A patent/JPS5592912A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5344854A (en) * | 1976-10-05 | 1978-04-22 | Toshiba Corp | Dc stbilized power source unit |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61108092U (en) * | 1984-12-19 | 1986-07-09 |
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