CN106160445A - A kind of soft start current stabilization circuit based on voltage-regulating circuit - Google Patents
A kind of soft start current stabilization circuit based on voltage-regulating circuit Download PDFInfo
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- CN106160445A CN106160445A CN201610601753.7A CN201610601753A CN106160445A CN 106160445 A CN106160445 A CN 106160445A CN 201610601753 A CN201610601753 A CN 201610601753A CN 106160445 A CN106160445 A CN 106160445A
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- audion
- pole
- electric capacity
- resistance
- negative pole
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- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/36—Means for starting or stopping converters
-
- 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
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
-
- 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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Abstract
The invention discloses a kind of soft start current stabilization circuit based on voltage-regulating circuit, it is characterized in that: mainly by transformator T, diode rectifier U, audion VT4, electric capacity C1, electric capacity C4, electric capacity C5, electric capacity C6, resistance R6, resistance R7, resistance R8, soft starting circuit, voltage-regulating circuit and delay circuit composition.The present invention can realize the soft start to electronic product, and after making the present invention switch on power, output voltage is through a process started, and rises to set-point with slower speed, to protect electronic product not impacted by surge；During startup, the present invention also ensures that the optimum delay time of about 30 seconds；It is suitable for promoting the use.
Description
Technical field
The present invention relates to a kind of soft starting circuit, particularly relate to a kind of soft start current stabilization based on voltage-regulating circuit electricity
Road.
Background technology
Along with science and technology development, electronic technology is able to fast development, and electronics categories is more and more abundanter, various respectively
The electronic product of sample enters into the family of common people so that daily life also be unable to do without electronic product.Due to various
The performance of electronic product is not quite similar, and some electronic products need soft start when using, in order to protection electronic product is on startup
Do not impacted by surge.But, the structure being currently used for realizing soft start is the most more complicated, and the delay time started is relatively
Long, thus use to user and bring great inconvenience.
Summary of the invention
It is an object of the invention to provide a kind of soft start current stabilization circuit based on voltage-regulating circuit, to mesh to be solved
Before the most more complicated for realizing the structure of soft start, and the problem that the delay time that starts is longer.
The present invention is achieved through the following technical solutions:
A kind of soft start current stabilization circuit based on voltage-regulating circuit, mainly by transformator T, diode rectifier U, three poles
Pipe VT4, positive pole is connected with the positive output end of diode rectifier U, negative pole is connected with the negative output terminal of diode rectifier U
Electric capacity C1, the soft starting circuit being connected with positive pole and the negative pole of electric capacity C1 respectively, positive pole is connected with soft starting circuit, negative
The electric capacity C4 that pole is connected with the negative pole of electric capacity C1, one end is connected with the positive pole of electric capacity C4, the base of the other end and audion VT4
The resistance R6 that pole is connected, positive pole is connected with the emitter stage of audion VT4, negative pole is sequentially through resistance R8 and voltage-regulating circuit
The electric capacity C5 that negative pole with electric capacity C4 is connected afterwards, is connected with the negative pole of negative pole and electric capacity C4 with the positive pole of electric capacity C5 respectively
Delay circuit, the electric capacity that positive pole is connected with soft starting circuit and delay circuit respectively, negative pole is also connected with delay circuit
C6, and the resistance R7 composition that one end is connected with the positive pole of electric capacity C6, the other end is connected with the colelctor electrode of audion VT4；
The former limit inductance coil of described transformator T two ends composition power input, an input of described diode rectifier U with
The non-same polarity of the secondary inductance coil of transformator T is connected, the secondary inductance coil of its another input and transformator T
Same Name of Ends is connected.
Further, described voltage-regulating circuit is by audion VT6, audion VT7, audion VT8, one end and audion
The resistance R12 that the base stage of VT6 is connected, the other end is connected with the emitter stage of audion VT6, positive pole after resistance R13 with three
Electric capacity C8, the P pole that the emitter stage of pole pipe VT6 is connected, negative pole is connected with the colelctor electrode of audion VT6 is with audion VT6's
The diode D5 that base stage is connected, N pole colelctor electrode with audion VT6 after resistance R15 is connected, is serially connected in diode D5's
Resistance R16 between the emitter stage of N pole and audion VT7, is serially connected in the colelctor electrode of audion VT6 and the current collection of audion VT7
The diode D6 that resistance R14, P pole is connected with the positive pole of electric capacity C8, N pole is connected with the base stage of audion VT8 between pole,
The diode D7 that P pole is connected with the emitter stage of audion VT7, N pole is connected with the base stage of audion VT7, positive pole and three poles
The electric capacity C9 that the base stage of pipe VT7 is connected, negative pole base stage with audion VT8 after resistance R17 is connected, and one end and three
The resistance R18 composition that the base stage of pole pipe VT7 is connected, the other end is connected with the emitter stage of audion VT8；Described audion
The colelctor electrode of VT8 is connected with the colelctor electrode of audion VT7；The emitter stage of described audion VT6 is connected with the negative pole of electric capacity C4
Connecing, the negative pole of described electric capacity C9 negative pole with electric capacity C5 after resistance R8 is connected.
Further, described soft starting circuit is by audion VT1, audion VT2, audion VT3, positive pole and audion
The electric capacity C2 that the base stage of VT2 is connected, negative pole is connected with the negative pole of electric capacity C1, is serially connected in negative pole and the audion of electric capacity C2
Resistance R1 between the base stage of VT2, the resistance R2 being serially connected between the colelctor electrode of audion VT1 and the base stage of audion VT2, string
The resistance R3 being connected between the colelctor electrode of audion VT1 and the colelctor electrode of audion VT2, is serially connected in the colelctor electrode of audion VT1
And the resistance R4 between base stage, resistance R5, the P pole being serially connected between the base stage of audion VT1 and the emitter stage of audion VT3 with
The diode D2 that the colelctor electrode of audion VT2 is connected, N pole is connected with the base stage of audion VT3, positive pole and audion VT2
The electric capacity C3 that emitter stage is connected, negative pole is connected with the colelctor electrode of audion VT3, and the negative pole phase of P pole and electric capacity C2
The diode D1 composition that connection, N pole are connected with the emitter stage of audion VT2；The colelctor electrode of described audion VT1 and electric capacity C1
Positive pole be connected, its emitter stage is connected with the positive pole of electric capacity C6；The base stage of described audion VT3 and the positive pole phase of electric capacity C4
Connect.
Further, described delay circuit by audion VT5, positive pole is connected with the positive pole of electric capacity C6, negative pole with electricity
Holding the electric capacity C7 that is connected of negative pole of C4, one end is connected with the colelctor electrode of audion VT5, the other end and the negative pole phase of electric capacity C7
Resistance R9, the P pole connected is connected with the colelctor electrode of audion VT5, N pole negative pole with electric capacity C7 after resistance R10 is connected
Diode D3, the resistance R11 that one end is connected with the base stage of audion VT5, the other end is connected with the N pole of diode D3,
And P pole diode that N pole is connected, N pole is connected with the positive pole of electric capacity C7 with diode D3 after slide rheostat RP
D4 forms；The colelctor electrode of described three grades of VT5 is connected with the negative pole of electric capacity C5, its emitter stage respectively with positive pole and the electricity of electric capacity C5
The negative pole holding C6 is connected；The N pole of described diode D3 is connected with the control end of slide rheostat RP.
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) present invention can realize the soft start to electronic product, and after making the present invention switch on power, output voltage is through one
The process started, rises to set-point with slower speed, to protect electronic product not impacted by surge.Start
Time, the present invention also ensures that the optimum delay time of about 30 seconds.
(2) stable operating current is provided for electronic product when the present invention can guarantee that electronic product loaded work piece, to prevent
Electronic product is compromised due to the fluctuation of operating current.
(3) present invention can also effectively reduce leakage and the loss of output electric current in use, and can suppress to export electric current
Unusual fluctuations, make output electric current keep stable, thus improve the stability of the output electric current of the present invention.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the present invention.
Fig. 2 is the circuit diagram of the voltage-regulating circuit of the present invention.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment
As it is shown in figure 1, the soft start current stabilization circuit based on voltage-regulating circuit of the present invention, mainly by transformator T, two poles
Pipe commutator U, audion VT4, electric capacity C1, electric capacity C4, electric capacity C5, electric capacity C6, resistance R6, resistance R7, resistance R8, soft start electricity
Road, voltage-regulating circuit and delay circuit composition.
During connection, the positive pole of described electric capacity C1 is connected with the positive output end of diode rectifier U, its negative pole and diode
The negative output terminal of commutator U is connected.Described soft starting circuit is connected with positive pole and the negative pole of electric capacity C1 respectively；Described electric capacity
The positive pole of C4 is connected with soft starting circuit, and its negative pole is connected with the negative pole of electric capacity C1.One end of described resistance R6 and electric capacity
The positive pole of C4 is connected, and its other end is connected with the base stage of audion VT4.The positive pole of described electric capacity C5 is with audion VT4's
Emitter stage is connected, and its negative pole is sequentially connected through resistance R8 negative pole with electric capacity C4 after voltage-regulating circuit.Described time delay
Circuit is connected with the negative pole of negative pole and electric capacity C4 with the positive pole of electric capacity C5 respectively；The positive pole of described electric capacity C6 opens with soft respectively
Galvanic electricity road is connected with delay circuit, and its negative pole is also connected with delay circuit.One end of described resistance R7 is with electric capacity C6 just
Pole is connected, and its other end is connected with the colelctor electrode of audion VT4.
Meanwhile, the two ends composition power input of the former limit inductance coil of described transformator T, this power input can be direct
Connect civil power.One input of described diode rectifier U is connected with the non-same polarity of the secondary inductance coil of transformator T
Connecing, its another input is connected with the Same Name of Ends of the secondary inductance coil of transformator T.
Described soft starting circuit is by audion VT1, audion VT2, audion VT3, resistance R1, resistance R2, resistance R3, electricity
Resistance R4, resistance R5, electric capacity C2, electric capacity C3, diode D1 and diode D2 composition.
During connection, the positive pole of described electric capacity C2 is connected with the base stage of audion VT2, the negative pole phase of its negative pole and electric capacity C1
Connect.Described resistance R1 is serially connected between the negative pole of electric capacity C2 and the base stage of audion VT2, and described resistance R2 is serially connected in audion
Between colelctor electrode and the base stage of audion VT2 of VT1, described resistance R3 is serially connected in colelctor electrode and the audion VT2 of audion VT1
Colelctor electrode between, described resistance R4 is serially connected between colelctor electrode and the base stage of audion VT1, and described resistance R5 is serially connected in three poles
Between base stage and the emitter stage of audion VT3 of pipe VT1.The P pole of described diode D2 is connected with the colelctor electrode of audion VT2
Connecing, its N pole is connected with the base stage of audion VT3.The positive pole of described electric capacity C3 is connected with the emitter stage of audion VT2, its
Negative pole is connected with the colelctor electrode of audion VT3.The P pole of described diode D1 is connected with the negative pole of electric capacity C2, its N pole and three
The emitter stage of pole pipe VT2 is connected.Meanwhile, the colelctor electrode of described audion VT1 is connected with the positive pole of electric capacity C1, its emitter stage
It is connected with the positive pole of electric capacity C6；The base stage of described audion VT3 is connected with the positive pole of electric capacity C4.
Described delay circuit is by audion VT5, resistance R9, resistance R10, resistance R11, slide rheostat RP, electric capacity C7, two
Pole pipe D3 and diode D4 composition.
During connection, the positive pole of described electric capacity C7 is connected with the positive pole of electric capacity C6, and its negative pole is connected with the negative pole of electric capacity C4
Connect.One end of described resistance R9 is connected with the colelctor electrode of audion VT5, and its other end is connected with the negative pole of electric capacity C7.Institute
The colelctor electrode of the P pole and audion VT5 of stating diode D3 is connected, and its N pole negative pole with electric capacity C7 after resistance R10 is connected
Connect.One end of described resistance R11 is connected with the base stage of audion VT5, and its other end is connected with the N pole of diode D3.Institute
Stating the N pole with diode D3 after slide rheostat RP, the P pole of diode D4 to be connected, its N pole is connected with the positive pole of electric capacity C7
Connect.Meanwhile, the colelctor electrode of described three grades of VT5 is connected with the negative pole of electric capacity C5, its emitter stage respectively with the positive pole of electric capacity C5 and
The negative pole of electric capacity C6 is connected；The N pole of described diode D3 is connected with the control end of slide rheostat RP.
As in figure 2 it is shown, described voltage-regulating circuit is by audion VT6, audion VT7, audion VT8, resistance R12, electricity
Resistance R13, resistance R14, resistance R15, resistance R16, resistance R17, resistance R18, electric capacity C8, electric capacity C9, diode D5, diode D6
And diode D7 composition.
During connection, one end of described resistance R12 is connected with the base stage of audion VT6, and its other end is with audion VT6's
Emitter stage is connected.The positive pole of described electric capacity C8 emitter stage with audion VT6 after resistance R13 is connected, its negative pole and three
The colelctor electrode of pole pipe VT6 is connected.The P pole of described diode D5 is connected with the base stage of audion VT6, and its N pole is through resistance R15
Colelctor electrode with audion VT6 is connected afterwards.Described resistance R16 is serially connected in the N pole of diode D5 and the emitter stage of audion VT7
Between, described resistance R14 is serially connected between the colelctor electrode of audion VT6 and the colelctor electrode of audion VT7.Described diode D6's
P pole is connected with the positive pole of electric capacity C8, and its N pole is connected with the base stage of audion VT8.The P pole of described diode D7 and three poles
The emitter stage of pipe VT7 is connected, and its N pole is connected with the base stage of audion VT7.The positive pole of described electric capacity C9 and audion VT7
Base stage be connected, its negative pole base stage with audion VT8 after resistance R17 is connected.One end of described resistance R18 and three poles
The base stage of pipe VT7 is connected, and its other end is connected with the emitter stage of audion VT8.Meanwhile, the current collection of described audion VT8
Pole is connected with the colelctor electrode of audion VT7；The emitter stage of described audion VT6 is connected with the negative pole of electric capacity C4, described electricity
The negative pole negative pole with electric capacity C5 after resistance R8 holding C9 is connected.
The present invention can realize the soft start to electronic product, and after making the present invention switch on power, output voltage is through a startup
Process, rise to set-point with slower speed, to protect electronic product not impacted by surge.During startup,
The present invention also ensures that the optimum delay time of about 30 seconds.The present invention is electronic product when can guarantee that electronic product loaded work piece
There is provided stable operating current, to prevent electronic product to be compromised due to the fluctuation of operating current.The present invention is in use also
Leakage and the loss of output electric current can be effectively reduced, and can suppress to export the unusual fluctuations of electric current, make output electric current keep steady
Fixed, thus improve the stability of the output electric current of the present invention.
As it has been described above, just can preferably realize the present invention.
Claims (4)
1. a soft start current stabilization circuit based on voltage-regulating circuit, it is characterised in that: main by transformator T, diode is whole
Stream device U, audion VT4, positive pole is connected with the positive output end of diode rectifier U, negative pole is negative defeated with diode rectifier U's
Go out the electric capacity C1 that end is connected, the soft starting circuit being connected respectively, positive pole and soft start electricity with positive pole and the negative pole of electric capacity C1
The electric capacity C4 that road is connected, negative pole is connected with the negative pole of electric capacity C1, one end is connected with the positive pole of electric capacity C4, the other end and three
The resistance R6 that the base stage of pole pipe VT4 is connected, positive pole is connected with the emitter stage of audion VT4, negative pole sequentially through resistance R8 and
The electric capacity C5 that after voltage-regulating circuit, negative pole with electric capacity C4 is connected, respectively with positive pole and negative pole and the electric capacity C4 of electric capacity C5
The delay circuit that is connected of negative pole, positive pole is connected with soft starting circuit and delay circuit respectively, negative pole also with delay circuit
The electric capacity C6 being connected, and one end is connected with the positive pole of electric capacity C6, the other end is connected with the colelctor electrode of audion VT4
Resistance R7 forms；The two ends composition power input of the former limit inductance coil of described transformator T, described diode rectifier U's
One input is connected with the non-same polarity of the secondary inductance coil of transformator T, the pair of its another input and transformator T
The Same Name of Ends of limit inductance coil is connected.
A kind of soft start current stabilization circuit based on voltage-regulating circuit the most according to claim 1, it is characterised in that: described
Voltage-regulating circuit is by audion VT6, audion VT7, audion VT8, and one end is connected with the base stage of audion VT6, another
The resistance R12 that is connected with the emitter stage of audion VT6 of end, positive pole emitter stage with audion VT6 after resistance R13 is connected
Connect, electric capacity C8, P pole that negative pole is connected with the colelctor electrode of audion VT6 is connected with the base stage of audion VT6, N pole is through resistance
The diode D5 that after R15, colelctor electrode with audion VT6 is connected, is serially connected in the N pole of diode D5 and the transmitting of audion VT7
Resistance R16 between pole, resistance R14, the P pole being serially connected between the colelctor electrode of audion VT6 and the colelctor electrode of audion VT7 with
Diode D6, the P pole that the positive pole of electric capacity C8 is connected, N pole is connected with the base stage of audion VT8 and the transmitting of audion VT7
The diode D7 that pole is connected, N pole is connected with the base stage of audion VT7, positive pole is connected with the base stage of audion VT7, bears
The electric capacity C9 that pole base stage with audion VT8 after resistance R17 is connected, and one end is connected with the base stage of audion VT7,
The resistance R18 composition that the other end is connected with the emitter stage of audion VT8；The colelctor electrode of described audion VT8 and audion VT7
Colelctor electrode be connected；The emitter stage of described audion VT6 is connected with the negative pole of electric capacity C4, and the negative pole of described electric capacity C9 is through electricity
It is connected with the negative pole of electric capacity C5 after resistance R8.
A kind of soft start current stabilization circuit based on voltage-regulating circuit the most according to claim 2, it is characterised in that: described
Soft starting circuit by audion VT1, audion VT2, audion VT3, positive pole is connected with the base stage of audion VT2, negative pole with
The electric capacity C2 that the negative pole of electric capacity C1 is connected, the resistance R1 being serially connected between the negative pole of electric capacity C2 and the base stage of audion VT2, string
The resistance R2 being connected between the colelctor electrode of audion VT1 and the base stage of audion VT2, be serially connected in the colelctor electrode of audion VT1 with
Resistance R3 between the colelctor electrode of audion VT2, is serially connected in the resistance R4 between colelctor electrode and the base stage of audion VT1, concatenation
Resistance R5, P pole between the base stage and the emitter stage of audion VT3 of audion VT1 is connected with the colelctor electrode of audion VT2
Connect, diode D2 that N pole is connected with the base stage of audion VT3, positive pole is connected with the emitter stage of audion VT2, negative pole with
The electric capacity C3 that the colelctor electrode of audion VT3 is connected, and P pole is connected with the negative pole of electric capacity C2, N pole and audion VT2
The diode D1 composition that emitter stage is connected；The colelctor electrode of described audion VT1 is connected with the positive pole of electric capacity C1, its emitter stage
It is connected with the positive pole of electric capacity C6；The base stage of described audion VT3 is connected with the positive pole of electric capacity C4.
A kind of soft start current stabilization circuit based on voltage-regulating circuit the most according to claim 3, it is characterised in that: described
Delay circuit is by audion VT5, the electric capacity that positive pole is connected with the positive pole of electric capacity C6, negative pole is connected with the negative pole of electric capacity C4
C7, resistance R9, the P pole that one end is connected with the colelctor electrode of audion VT5, the other end is connected with the negative pole of electric capacity C7 and three poles
The diode D3 that the colelctor electrode of pipe VT5 is connected, N pole negative pole with electric capacity C7 after resistance R10 is connected, one end and audion
The resistance R11 that the base stage of VT5 is connected, the other end is connected with the N pole of diode D3, and P pole is after slide rheostat RP
Be connected with the N pole of diode D3, diode D4 that N pole is connected with the positive pole of electric capacity C7 composition；The current collection of described three grades of VT5
Pole is connected with the negative pole of electric capacity C5, and its emitter stage is connected with the positive pole of electric capacity C5 and the negative pole of electric capacity C6 respectively；Described two
The N pole of pole pipe D3 is connected with the control end of slide rheostat RP.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610601753.7A CN106160445A (en) | 2016-07-27 | 2016-07-27 | A kind of soft start current stabilization circuit based on voltage-regulating circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610601753.7A CN106160445A (en) | 2016-07-27 | 2016-07-27 | A kind of soft start current stabilization circuit based on voltage-regulating circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106160445A true CN106160445A (en) | 2016-11-23 |
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ID=58060502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610601753.7A Pending CN106160445A (en) | 2016-07-27 | 2016-07-27 | A kind of soft start current stabilization circuit based on voltage-regulating circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106160445A (en) |
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2016
- 2016-07-27 CN CN201610601753.7A patent/CN106160445A/en active Pending
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Application publication date: 20161123 |