CN208608911U - It is non-delay partly to drive rectifier certainly from driving rectification circuit and non-delay half - Google Patents
It is non-delay partly to drive rectifier certainly from driving rectification circuit and non-delay half Download PDFInfo
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- CN208608911U CN208608911U CN201821163772.7U CN201821163772U CN208608911U CN 208608911 U CN208608911 U CN 208608911U CN 201821163772 U CN201821163772 U CN 201821163772U CN 208608911 U CN208608911 U CN 208608911U
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Abstract
The utility model provides a kind of non-delay half from driving rectification circuit and non-delay half from driving rectifier, non-delay includes partly non-delay accelerating circuit from driving rectification circuit, inverter cricuit, winding drives shaping circuit and circuit of synchronous rectification, non-delay accelerating circuit is electrically connected with the control terminal of inverter cricuit, non-delay accelerating circuit is for accessing driving voltage, to control the working condition of inverter cricuit, inverter cricuit and winding driving shaping circuit are used to connection driving voltage, the output end of winding driving and inverter cricuit is electrically connected with the control terminal of circuit of synchronous rectification to drive circuit of synchronous rectification.Provided by the utility model non-delay half overcomes the high problem of self-powered synchronous rectification backward voltage from driving rectification circuit, eliminates the risk that backward voltage solves reversed damage mos pipe.Due to only having positive drive voltage to reduce drive loss, overall efficiency is improved.It is overcome simultaneously drives the problems such as bring timing is asynchronous.
Description
Technical field
The utility model relates to rectification circuit technical fields, drive rectified current certainly in particular to a kind of non-delay half
Road and non-delay half is from driving rectifier.
Background technique
Synchronous rectification is the special power MOSFET extremely low using on state resistance, to replace rectification first switch tube to reduce
One new technology of rectifier loss.It can greatly improve the efficiency of DC/DC converter and there is no by Schottky barrier voltage
Dead zone voltage caused by and.
Most of existing synchronous rectification is the synchronous rectification of self-powered synchronous rectification and external synchronization signal.Self-powered synchronous rectification master
There is following deficiency: in Design of Transformer, needing to consider to drive winding problem;Driving only needs positive drive voltage, however
Backward voltage is relatively high, may cause mos damage;Since backward voltage exists, drive loss can be multiplied.Outer synchronous letter
Number synchronous rectification has the drawback that transmission delay, and interference will lead to and open timing confusion;It can not confirm timing whether just
Often.
Utility model content
It is whole from driving rectification circuit and non-delay half from driving that the purpose of this utility model is to provide a kind of non-delay half
Device is flowed, to realize the function of reducing driving delay while reducing drive loss.
The utility model is realized in this way:
The utility model provides a kind of non-delay half and drives rectification circuit certainly, described non-delay partly from driving rectification circuit packet
Include non-delay accelerating circuit, inverter cricuit, winding driving shaping circuit and circuit of synchronous rectification, the non-delay accelerating circuit with
The control terminal of the inverter cricuit is electrically connected, and the non-delay accelerating circuit is for accessing driving voltage, to control the reverse phase
The input terminal of the working condition of circuit, the input terminal of the inverter cricuit and winding driving shaping circuit is used to connection and drives
The output end of dynamic voltage, the output end of the winding driving shaping circuit and the inverter cricuit with the circuit of synchronous rectification
Control terminal electrical connection, winding driving shaping circuit and the inverter cricuit are used to drive institute according to the driving voltage of input
Circuit of synchronous rectification is stated to be rectified.
Further, the winding driving shaping circuit includes first switch tube and current limiting device, the first switch tube
For ending reverse drive voltages, forward signal is set to pass through, the electric current that the current limiting device is used to limit driving voltage is big
It is small, prevent driving voltage from damaging late-class circuit.
Further, the current limiting device includes first resistor and second resistance, and the first resistor is electric with described second
Resistance is in parallel.
Further, the inverter cricuit includes input, output end and control terminal, and the control terminal of the inverter cricuit connects
The output end electrical connection for connecing the non-delay accelerating circuit, for controlling the work shape of inverter cricuit under the control of driving voltage
State, the input terminal of inverter cricuit is for connecting driving voltage, the output end of the inverter cricuit and the circuit of synchronous rectification
Control terminal electrical connection, the inverter cricuit are used to make the driving voltage change when the driving voltage is reverse drive voltages
The circuit of synchronous rectification work is driven for positive drive voltage.
Further, described half includes driver for isolating from driving rectification circuit, and the driver for isolating is set to described
Between non-delay accelerating circuit and the inverter cricuit, the input terminal of the driver for isolating and the non-delay accelerating circuit electricity
Connection, the output end of the driver for isolating are electrically connected with the inverter cricuit, and the driver for isolating prolongs for reducing transmission
Late.
Further, the non-delay accelerating circuit includes first input end, the second input terminal, 3rd resistor, the 4th electricity
Resistance, first capacitor, first switch tube, the first output end and second output terminal, the first end of the 4th resistance pass through described the
One capacitor, 3rd resistor are electrically connected with the first input end, the second end of the 4th resistance and second input terminal electricity
Connection, the anode of the first switch tube is electrically connected with the second output terminal, the cathode of the first switch tube and described the
The electrical connection of one output end.
Further, the circuit of synchronous rectification includes synchronous rectifier and pull down resistor, and the pull down resistor is described same
Walking rectifier includes input terminal and control terminal, and the first end of the pull down resistor and the input terminal of the synchronous rectifier are electrically connected
It connects, the second end of the pull down resistor is electrically connected with the control terminal of the synchronous rectifier.
Further, the driving voltage is Circuit Fault on Secondary Transformer voltage.
The utility model also provides a kind of non-delay half
From driving rectification circuit, described non-delay half from driving rectification circuit includes that non-delay accelerations is electric by shell, substrate and non-delay half
Road, inverter cricuit, winding driving shaping circuit and circuit of synchronous rectification, the non-delay accelerating circuit and the inverter cricuit
Control terminal electrical connection, the non-delay accelerating circuit is for accessing driving voltage, to control the working condition of the inverter cricuit,
The input terminal of the input terminal of the inverter cricuit and winding driving shaping circuit is used to connection driving voltage, the winding
The output end of the output end and the inverter cricuit that drive shaping circuit is electrically connected with the control terminal of the circuit of synchronous rectification,
The winding driving shaping circuit and the inverter cricuit are used to drive the circuit of synchronous rectification according to the driving voltage of input
It is rectified.The substrate is installed in the shell, and described non-delay half is set on the substrate from driving rectification circuit.
Further, the substrate is printed circuit board.
Compared with the prior art, the utility model has the following beneficial effects:
One kind provided by the utility model non-delay half is described from driving rectification circuit and non-delay half from driving rectifier
Non-delay includes partly non-delay accelerating circuit, inverter cricuit, winding driving shaping circuit and synchronous rectification from driving rectification circuit
Circuit, the non-delay accelerating circuit are electrically connected with the control terminal of the inverter cricuit, and the non-delay accelerating circuit is for connecing
Enter driving voltage, to control the working condition of the inverter cricuit, the input terminal of the inverter cricuit and winding driving are whole
The input terminal of shape circuit is used to connection driving voltage, the output end of winding driving shaping circuit and the inverter cricuit
Output end is electrically connected with the control terminal of the circuit of synchronous rectification, and the winding driving shaping circuit and the inverter cricuit are used
It is rectified according to the driving voltage of the input driving circuit of synchronous rectification.Non-delay half self-powered provided by the utility model
Dynamic rectification circuit overcomes the high problem of self-powered synchronous rectification backward voltage, eliminates backward voltage and solves reversed damage mos pipe
Risk.Due to only having positive drive voltage to reduce drive loss, overall efficiency is improved.It is overcome simultaneously drives bring
The problems such as timing is asynchronous.
To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, preferred embodiment is cited below particularly, and
Cooperate appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be to required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore not
It should be considered as the restriction to range, for those of ordinary skill in the art, without creative efforts,
It can also be obtained according to these attached drawings other relevant attached drawings.
Fig. 1 shows one kind provided by the utility model non-delay half from the schematic diagram for driving rectification circuit.
Fig. 2 shows the schematic diagrames of non-delay accelerating circuit.
Fig. 3 shows non-delay half from the circuit connection diagram for driving rectification circuit.
Icon: 100- non-delay half drives rectification circuit certainly;The non-delay accelerating circuit of 110-;IN1- first input end;
The second input terminal of IN2-;R3- 3rd resistor;The 4th resistance of R4-;D1- first switch tube;The first output end of OUT1-;OUT2-
Two output ends;C1- first capacitor;130- driver for isolating;150- inverter cricuit;Q3- third switching tube;The driving of 170- winding is whole
Shape circuit;D2- second switch;R1- first resistor;R2- second resistance;190- circuit of synchronous rectification;The 4th switching tube of Q4-;
R5- pull down resistor.
Specific embodiment
Below in conjunction with attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole realities
Apply example.The component of the utility model embodiment being usually described and illustrated herein in the accompanying drawings can be come with a variety of different configurations
Arrangement and design.Therefore, the detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit below
The range of claimed invention, but it is merely representative of the selected embodiment of the utility model.Based on the utility model
Embodiment, those skilled in the art's every other embodiment obtained without making creative work, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that term " on ", "lower", "left", "right", "inner", "outside" etc.
The orientation or positional relationship of instruction be based on the orientation or positional relationship shown in the drawings or the utility model product use when
The orientation or positional relationship usually put, is merely for convenience of describing the present invention and simplifying the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
The limitation of the utility model.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected;It can be mechanical connection, be also possible to be electrically connected;It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.
It is in the description of the present invention, it should also be noted that, herein, such as first and second or the like pass
It is that term is only used to distinguish one entity or operation from another entity or operation, and not necessarily requires or secretly
Show that there are any actual relationship or orders between these entities or operation.Term "horizontal", "vertical", " pendency " etc.
Term is not offered as requiring component abswolute level or pendency, but can be slightly tilted.As "horizontal" only refers to its direction phase
It is more horizontal for "vertical", it is not to indicate that the structure is had to fully horizontally, but can be slightly tilted.Term " packet
Include ", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion so that including the mistake of a series of elements
Journey, method, article or equipment not only include those elements, but also including other elements that are not explicitly listed, either
It further include for elements inherent to such a process, method, article, or device.In the absence of more restrictions, by sentence
The element that "including a ..." limits, it is not excluded that also deposit in the process, method, article or apparatus that includes the element
In other identical element.For the ordinary skill in the art, above-mentioned term can be understood in this reality with concrete condition
With the concrete meaning in novel.
With reference to the accompanying drawing, it elaborates to some embodiments of the utility model.In the absence of conflict, under
The feature in embodiment and embodiment stated can be combined with each other.
Most of existing synchronous rectification is the synchronous rectification of self-powered synchronous rectification and external synchronization signal.Self-powered synchronous rectification master
There is following deficiency: in Design of Transformer, needing to consider to drive winding problem;Driving only needs positive drive voltage, however
Backward voltage is relatively high, may cause mos damage;Since backward voltage exists, drive loss can be multiplied.It, which drives, synchronizes
Rectification mainly has following deficiency: transmission delay, and interference will lead to and open timing confusion;Can not confirm whether timing is normal.
First embodiment
A kind of non-delay half is present embodiments provided from driving rectification circuit 100, to reduce driving circuit loss, protection
Mos pipe is not damaged, while reducing transmission delay.Referring to Fig. 1, Fig. 1 shows non-delay half self-powered provided in this embodiment
The schematic diagram of dynamic rectification circuit 100.
Described non-delay half from driving rectification circuit 100 include non-delay accelerating circuit 110, it is driver for isolating 130, anti-
Circuitry phase 150, winding driving shaping circuit 170 and circuit of synchronous rectification 190, non-delay accelerating circuit 110 and driver for isolating
130 electrical connections, driver for isolating 130 are electrically connected with inverter cricuit 150, and the inverter cricuit 150 is electrically connected with synchronous rectifier
It connects;The winding driving shaping circuit 170 is electrically connected with the circuit of synchronous rectification 190.
The inverter cricuit 150 is used to be controlled according to driving voltage described synchronous with winding driving shaping circuit 170
The working condition of rectification circuit 190.When driving voltage is positive drive voltage, positive drive voltage drives by the winding
Shaping circuit 170 controls circuit of synchronous rectification 190 and is rectified to the control terminal of the circuit of synchronous rectification 190.It hinders simultaneously
Only reverse drive voltages pass through;When the driving voltage is reverse drive voltages, the winding driving shaping circuit 170 is prevented
The reverse drive voltages pass through, and reverse drive voltages are changed into positive drive voltage by the inverter cricuit 150, then drive
The circuit of synchronous rectification 190 is moved to be rectified.
Referring to Fig. 2, driving voltage is transmitted to reverse phase for accessing driving voltage by the non-delay accelerating circuit 110
The control terminal of circuit 150, to control the working condition of inverter cricuit 150.The non-delay accelerating circuit 110 includes first defeated
Enter to hold IN1, the second input terminal IN2,3rd resistor R3, the 4th resistance R4, first capacitor C1, first switch tube D1, the first output
Hold the first end of OUT1 and second output terminal OUT2, the 4th resistance R4 by the first capacitor C1,3rd resistor R3 and
The first input end IN1 electrical connection, the 3rd resistor R3 are used as protective resistance, prevent the excessive damage rear class electricity of voltage
Road.The second end of the 4th resistance R4 is electrically connected with the second input terminal IN2, the anode of the first switch tube D1 and institute
Second output terminal OUT2 electrical connection is stated, the cathode of the first switch tube D1 is electrically connected with the first output end OUT1.Yu Ben
In embodiment, the first switch tube D1 can be transition diode.When work, the driving voltage of input is due to first capacitor C1
Voltage cannot be mutated, all driving voltages are added in the both ends of the 4th resistance R4, so the rise time is fast, do not postpone.
Adjust the resistance value of the 4th resistance R4, the adjustable duty ratio of capacitance of first capacitor C1.After adjusting duty ratio, driving time becomes
It is short to reduce drive loss.
The non-delay accelerating circuit 110 is electrically connected with the control terminal of the inverter cricuit 150, to control the reverse phase electricity
The input terminal of the working condition on road 150, the input terminal of the inverter cricuit 150 and winding driving shaping circuit 170 is used
In connection driving voltage, the output end of the output end of winding driving shaping circuit and the inverter cricuit 150 with it is described
The control terminal of circuit of synchronous rectification 190 is electrically connected, and the winding driving shaping circuit and the inverter cricuit 150 are used for according to defeated
The driving voltage entered drives the circuit of synchronous rectification 190 to be rectified.
In this present embodiment, described non-delay half includes driver for isolating 130, the isolation from driving rectification circuit 100
Driver 130 is set between the non-delay accelerating circuit 110 and the inverter cricuit 150, the driver for isolating 130
Input terminal is electrically connected with the non-delay accelerating circuit 110, the output end of the driver for isolating 130 and the inverter cricuit
150 electrical connections, the driver for isolating 130 is for reducing transmission delay.
Referring to Fig. 3, winding driving shaping circuit 170 includes first switch tube D1 and current limiting device, described first
Switching tube D1 enables positive drive voltage to pass through, the current limiting device is for limiting driving for ending reverse drive voltages
The size of current of voltage prevents driving voltage from damaging late-class circuit.
In this present embodiment, the first switch tube D1 can be diode, but not limited to this, such as can be
The diode of RF05VA2S encapsulation.It can pass through when driving voltage is positive drive voltage, when driving voltage is to be driven in the reverse direction
When voltage, ended by the first switch tube D1.
The current limiting device includes first resistor R1 and second resistance R2, the first resistor R1 and the second resistance R2
It is in parallel.First resistor R1 and second resistance R2 is small valued resistor, such as 200 ohm.
The inverter cricuit 150 includes input, output end and control terminal, and the control terminal of the inverter cricuit 150 connects
The output end of the non-delay accelerating circuit 110 is electrically connected, for controlling the work of inverter cricuit 150 under the control of driving voltage
Make state, the input terminal of inverter cricuit 150 for connecting driving voltage, the output end of the inverter cricuit 150 with it is described synchronous
The control terminal of rectification circuit 190 is electrically connected, and the inverter cricuit 150 is used to make when the driving voltage is reverse drive voltages
The driving voltage is changed into positive drive voltage, so that the circuit of synchronous rectification 190 be driven to work.
In this present embodiment, the inverter cricuit 150 is second switch D2, for example, the second switch D2 can be with
It is the switching tube of 2N7002 encapsulation, the second switch D2 includes grid, source electrode and drain electrode, the grid of the second switch D2
Pole forms the control terminal of inverter cricuit 150, connect with the output end of the driver for isolating 130, the second switch D2's
The input terminal that source electrode forms inverter cricuit 150 is connect with the driving voltage, and the drain electrode of the second switch D2 forms reverse phase
The output end of circuit 150 is electrically connected with the control terminal of the circuit of synchronous rectification 190.
In this present embodiment, when the driving voltage is reverse drive voltages, the inverter cricuit 150 is in the reverse phase
Driving voltage drives lower ON operation, the reverse drive voltages is converted to positive drive voltage, to drive the synchronization
Rectification circuit 190 works.
Provided in this embodiment non-delay half, from driving rectification circuit 100, drives shaping by inverter cricuit 150 and winding
The cooperation of circuit 170 overcomes the high problem of self-powered synchronous rectification backward voltage, eliminates backward voltage and solve reversed damage
The risk of mos pipe.Due to only having positive drive voltage to reduce drive loss, overall efficiency is improved.Its drive is overcome to bring
The asynchronous problem of timing.
The circuit of synchronous rectification 190 includes synchronous rectifier and pull down resistor R5, and the synchronous rectifier includes input
End and control terminal, the first end of the pull down resistor R5 are electrically connected with the input terminal of the synchronous rectifier, the pull down resistor
The second end of R5 is electrically connected with the control terminal of the synchronous rectifier.In this present embodiment, the synchronous rectifier can be
BSC067N06LS3G.But not limited to this, it can also be other synchronous rectifiers.
It needs to illustrate still, in this present embodiment, the driving voltage is Circuit Fault on Secondary Transformer voltage.
Second embodiment
The present embodiment provides a kind of non-delay half from driving rectifier, non-delay includes partly shell, base from driving rectifier
From driving rectification circuit 100, the substrate is installed in the shell plate and non-delay half, the non-delay half driving rectification certainly
Circuit 100 is set on the substrate.
It should be noted that provided in this embodiment non-delay half drives rectification circuit 100, structure composition and base certainly
Present principles drive rectifier roughly the same certainly with non-delay half that first embodiment provides, and to briefly describe, the present embodiment is to this
It no longer elaborates, the present embodiment does not introduce detailed place, please refers to the related content in first embodiment.
In this present embodiment, the substrate is printed circuit board, and described non-delay half can be hard from driving rectification circuit 100
On the printed circuit board, the printed circuit board is installed in the shell matter.
In conclusion to provide a kind of non-delay half whole from driving rectification circuit and non-delay half from driving for the utility model
Flow device, described non-delay half from driving rectification circuit include non-delay accelerating circuit, inverter cricuit, winding driving shaping circuit and
Circuit of synchronous rectification, the non-delay accelerating circuit are electrically connected with the control terminal of the inverter cricuit, the non-delay acceleration electricity
Road is for accessing driving voltage, to control the working condition of the inverter cricuit, the input terminal of the inverter cricuit and it is described around
The input terminal of group driving shaping circuit is used to connection driving voltage, the output end of winding driving shaping circuit and described anti-
The output end of circuitry phase is electrically connected with the control terminal of the circuit of synchronous rectification, winding driving shaping circuit and described anti-
Circuitry phase is used to drive the circuit of synchronous rectification to be rectified according to the driving voltage of input.Nothing provided by the utility model is prolonged
Half the high problem of self-powered synchronous rectification backward voltage is overcome from driving rectification circuit late, eliminates backward voltage and solve reversed damage
The risk of bad mos pipe.Due to only having positive drive voltage to reduce drive loss, overall efficiency is improved.Overcome it simultaneously
Drive the problems such as bring timing is asynchronous.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of non-delay half from driving rectification circuit, which is characterized in that described non-delay half from driving rectification circuit include nothing
Postpone accelerating circuit, inverter cricuit, winding driving shaping circuit and circuit of synchronous rectification, the non-delay accelerating circuit with it is described
The control terminal of inverter cricuit is electrically connected, and the non-delay accelerating circuit is for accessing driving voltage, to control the inverter cricuit
Working condition, the input terminal of the inverter cricuit and the winding driving shaping circuit input terminal be used to connection driving electricity
Pressure, the control of the output end of the winding driving shaping circuit and the output end of the inverter cricuit with the circuit of synchronous rectification
End electrical connection processed, the winding driving shaping circuit and the inverter cricuit are used for described same according to the driving of the driving voltage of input
Step rectification circuit is rectified.
2. as described in claim 1 non-delay half drives rectification circuit certainly, which is characterized in that the winding drives shaping circuit
Including first switch tube and current limiting device, the first switch tube enables forward signal to lead to for ending reverse drive voltages
It crosses, the current limiting device is used to limit the size of current of driving voltage, prevents driving voltage from damaging late-class circuit.
3. as claimed in claim 2 non-delay half drives rectification circuit certainly, which is characterized in that the current limiting device includes first
Resistance and second resistance, the first resistor are in parallel with the second resistance.
4. as described in claim 1 non-delay half drives rectification circuit certainly, which is characterized in that the inverter cricuit includes input
End, output end and control terminal, the control terminal of the inverter cricuit connect the output end electrical connection of the non-delay accelerating circuit, use
In the working condition for controlling inverter cricuit under the control of driving voltage, the input terminal of inverter cricuit is used to connect driving voltage,
The output end of the inverter cricuit is electrically connected with the control terminal of the circuit of synchronous rectification, and the inverter cricuit is used in the drive
Dynamic voltage makes the driving voltage be changed into the positive drive voltage driving circuit of synchronous rectification work when being reverse drive voltages
Make.
5. as described in claim 1 non-delay half drives rectification circuit certainly, which is characterized in that described partly from driving rectification circuit
Including driver for isolating, the driver for isolating is set between the non-delay accelerating circuit and the inverter cricuit, described
The input terminal of driver for isolating is electrically connected with the non-delay accelerating circuit, the output end of the driver for isolating and the reverse phase
Circuit electrical connection, the driver for isolating is for reducing transmission delay.
6. as described in claim 1 non-delay half drives rectification circuit certainly, which is characterized in that the non-delay accelerating circuit packet
Include first input end, the second input terminal, 3rd resistor, the 4th resistance, first capacitor, first switch tube, the first output end and
The first end of two output ends, the 4th resistance is electrically connected by the first capacitor, 3rd resistor with the first input end,
The second end of 4th resistance is electrically connected with second input terminal, the anode of the first switch tube and second output
End electrical connection, the cathode of the first switch tube are electrically connected with first output end.
7. as described in claim 1 non-delay half from driving rectification circuit, which is characterized in that the circuit of synchronous rectification includes
Synchronous rectifier and pull down resistor, the pull down resistor, the synchronous rectifier include input terminal and control terminal, the drop-down electricity
The first end of resistance is electrically connected with the input terminal of the synchronous rectifier, the second end of the pull down resistor and the synchronous rectifier
Control terminal electrical connection.
8. as described in claim 1 non-delay half drives rectification circuit certainly, which is characterized in that the driving voltage is transformer
Secondary side voltage.
9. a kind of non-delay half from driving rectifier, which is characterized in that described non-delay half from driving rectifier include shell, base
Plate and as described in claim 1~8 any one non-delay half from driving rectification circuit, the substrate is installed on the shell
Interior, described non-delay half is set on the substrate from driving rectification circuit.
10. as claimed in claim 9 non-delay half drives rectifier certainly, which is characterized in that the substrate is printed circuit board.
Priority Applications (1)
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CN201821163772.7U CN208608911U (en) | 2018-07-23 | 2018-07-23 | It is non-delay partly to drive rectifier certainly from driving rectification circuit and non-delay half |
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CN201821163772.7U CN208608911U (en) | 2018-07-23 | 2018-07-23 | It is non-delay partly to drive rectifier certainly from driving rectification circuit and non-delay half |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114598159A (en) * | 2022-03-11 | 2022-06-07 | 连云港杰瑞电子有限公司 | Compensation method and circuit for turn-on delay of synchronous rectifier tube |
-
2018
- 2018-07-23 CN CN201821163772.7U patent/CN208608911U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114598159A (en) * | 2022-03-11 | 2022-06-07 | 连云港杰瑞电子有限公司 | Compensation method and circuit for turn-on delay of synchronous rectifier tube |
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