TWI311396B - A start-up apparatus for a power supply - Google Patents

Description

B11396 _ ^ Year, month and day correction replacement page IX, invention description: 丨ng, ---- [Technical field of invention], the hair duck starter device, especially as a power supply ϋ start or stop working threshold voltage Refer to the starting device. [Prior Art] The switching controller of the power supply is used to control the switching action of the power supply and to provide a stably adjusted output. However, the switching controller U丨 requires a supply voltage to be supplied within Φ.正常 Control the normal operation of the circuit. Referring to the first figure, the circuit configuration of the conventional power supply is shown in the figure. When the input voltage VIN is applied to the power supply, the sustain capacitor CsT is first charged through the startup resistor RST. When the voltage on the sustain capacitor CsT reaches 'to' the start-up sequence of the switching controller U1, the switching controller U will start the control-power switch Qi to switch the transformer T1. When the power supply starts to work, the auxiliary winding na of the transformer T1 will further transmit power to the switching controller u!' through a diode to provide a normal operation of the switching controller U. ^ After the startup process is finished, the startup resistor & will lose its effect and does not need to exist. However, in the circuit, the starting resistor RsT still exists and consumes unnecessary power loss, and the power PR lost can be obtained by the following formula (丨): P -Vpp)2

Jv ···«·············,

Rst. · *****··············φ CD. Furthermore, the world organization of power supply regulates a series of power supplies under no load Grid, rat, 妓 can money _ silk secret to cut off the starting resistor RST 'to make it can not consume unnecessary power loss, or use the need to open 1311396 dynamic resistance RST as the starting point of the wire to achieve The problem of starting the resistor & power consumption will improve the power consumption of the power supply H under the domain. [Summary of the Invention]

In view of the fact that the present invention proposes a starting device, the starting resistor is not required as a starting component, and after the power supply is started, the charging path for charging the rotating capacitor can be input to save the power of the power supply. loss. At the same time, the __ hysteresis action is provided - the hysteresis threshold voltage is fine, as the threshold voltage reference when the power supply is tested or stopped. The start-up device of the present invention, which is activated by the power supply, is connected to the input source by the terminal of the transistor, and the source terminal is connected to the input terminal of the sustain capacitor and the __ control unit. The output end of the Kaichi fresh element is connected to the gate terminal of the _ terminal and the switch of the day and the day, when the source terminal of the __ is connected to the sustain capacitor, and the secret end is connected to the control circuit. Thereby, the input voltage source directly controls the relay to be turned on, and simultaneously charges the sustain capacitor. When the voltage on the sustain capacitor reaches the start voltage, the startup control unit will

The switching is controlled to be turned on, so that the voltage on the sustaining capacitor can be supplied to the control circuit, and at the same time, the control transistor is turned off, and (4) the input source _ maintains the charging path of the capacitor charging. Furthermore, the 'starter control unit has a -th-positioner and a second clamper, which are the two diodes. The sense diodes each have a breakdown voltage and are based on the voltage on the sustain capacitor. The rise and the subsequent collapse 'and then - the - clamp voltage and - the second clamp voltage, the home voltage is used as the hysteresis threshold voltage range when the power supply starts or stops working. The invention is a start-up device, which is connected to the sustaining power supply, and is connected to the sustaining capacitor 6 and the auxiliary winding ‘ In the startup device of the present invention, the input terminal of the start-up control unit is connected to the sustain capacitor, the output terminal is connected to an extreme between the switch switches, the source terminal of the switch-off source is connected to the sustain capacitor, and the drain terminal is connected to the sustain capacitor. Control circuit. Thereby, the input voltage source charges the sustain capacitor through the start resistor. When the voltage on the sustain capacitor reaches the start voltage, the start control unit controls the switch to be turned on, so that the power on the turn capacitor can be supplied to the control circuit. use. At the same time, the start control unit is the same as the previous description, the first clamper and the second box of the piano scales are placed on the upper armor of the county, and the first touch voltage and the second voltage 4 fine voltage are generated. The hysteresis critical pressure range that is started or stopped as a power supply n. It should be noted that the above summary and the following detailed description are exemplary in nature, and are intended to be in the "step" of the present invention. The other aspects and advantages of the present invention will be explained in the following description and illustration. The following is a schematic diagram of the structure of the power supply circuit used in the present invention. The present invention is activated and set up in the domain-controlled U2 towel, and when the power supply is supplied, Since the start-up _ start 1 is added to the power supply, the power will be charged first by cutting the uCST. When the voltage on the hybrid CST reaches the voltage, the starting device starts to operate to provide the power required for the switching controller g to work. 2 Let the switching controller U2 control - power switch Q1 to change the shoe τ]. In the description, 'in the input power plant VIN through the switching controller U2 to a maintenance capacitor k charge 7 1311396

- On the charging path of the electric power, the trial, "- -~一·J can further connect a starting resistor RsT in series to slow down the time required for starting. After the switching controller u2 starts to work, one of the auxiliary windings Na of the transformer 会 is charged through the A hai maintaining capacitor CST to supply power to the switching controller u2. ' 3 彳 彳 彳 彳 启 置于 置于 ’ ’ ’ ’ ’ ’ ’ ’ ’ ’ ’ ’ 靖 靖 VIN 维持 维持 维持 维持 维持 维持 维持 维持 维持 维持 维持 维持 维持 维持 维持 维持 维持And the starter provides more _ magnetic Shu ° boundary voltage range material cutting material control u2 start and stop the threshold voltage reference for testing. Referring to the second figure, it is a schematic diagram of the starting device of the first embodiment of the present invention. The starting device of the present invention is disposed in the switching controller shown in the second figure, and is used to supply the power source Vcc to one of the control circuits 9 of the switching controller. The starting device of the present invention is applied to the start of the power supply, and is directly connected to the input voltage % or through a starting resistor such as to the input power M vm and simultaneously connected to the sustain capacitor CsT. The starting device is composed of a transistor such as a start-up control early 7C 8〇 and a city switch 63, and the electric crystal (10) is a junction-type field effect electric crystal Qing T) 'there is a valve dragon, when the system is extreme and source When the light between the extremes is lower than the negative threshold voltage, it will enter the cut-off state. Referring to the third figure, the transistor 4〇 has a source terminal, a closed terminal, and _ no extreme, and is not connected to the terminal power _Vm, the terminal and the terminal connection _ _ _ unit the start control unit 80 Including a first-type transistor... the source terminal is connected to the only holding capacitor Qt, the gate terminal is connected to the amplifying circuit 82, and the -first resistor & is connected to the sustaining capacitor CST; a first N The transistor 65 is connected to the gate terminal GND of the gate terminal of the first-p-type transistor 1311396 61. The first terminal A is connected to the first-P transistor 61. The source is extreme and non-extreme; and a second placer & one end is connected to the miscellaneous end of the «Hi P-type transistor 61, and the other end is connected to the idle end of the first transistor 65, and through A second resistor & is connected to the ground GND. Referring to the third figure, the amplifying circuit 82 includes: a second p-type electric crystal (four) whose idle terminal is connected to the secret end of the hetero-P^ transistor 61, and the capacitor-reverse device 71' The input terminal is connected to the second p-type transistor and is not extreme, an output terminal is connected to the gate terminal of the object change switch 63 and the f crystal 40; and a third resistor & The secret end of the second P-type transistor 62 is connected to the ground terminal gnd. In the above description, the first clamper 与ι and the second clamper & are both sigma diodes, each having a -crash 韬. The first clamp H Z1 and the second clamp &

The voltage of Cst rises and collapses one after the other, thereby generating - the first clamp voltage % and - the second home voltage V2 as the - hysteresis threshold voltage range. The voltage value of the first clamp voltage % is the sum of the breakdown voltage of the first clamp, the breakdown voltage of the second clamp, and the second resistance voltage VR. The voltage value of the second clamp voltage V2 is the added value of the breakdown voltage of the second contactor and the second photoresist terminal ink vR. Referring to the third diagram, the gate terminal of the switch 63 is connected to the amplifying circuit 82, and the source terminal is connected to the turn-over capacitor CST' & According to this, the input voltage VIN is applied to the power supply section, and the transistor 4G in the starting device is immediately turned on to cause the input voltage V1N to directly charge the sustaining capacitor k by the starting resistor. When the voltage on the sustain capacitor CST reaches the start voltage (the start voltage is the first 9 1311396 bit voltage v), the first clamp (four) Ζι and the second clamp & A terminal voltage Vr is established across the second resistor R2, and the terminal voltage Vr causes the first N-type transistor to be turned on. After the first N-type transistor 65 is turned on, the gate terminal of the p-type transistor 61, the output terminal of the amplifying circuit, the gate terminal of the cut 63, and the terminal end of the transistor 4 () are connected to the ground terminal. GND' in turn causes the first p-type transistor 61 and the switching switch to be turned on one after another. Since the transistor 40 enters the turn-off, the input voltage source & the charge miscellaneous charge that charges the sustain capacitor g is used to save the power loss.鄕_ p-type transistor Η After the conduction, the first clamp Z1 is short-circuited to lose the voltage clamping effect. Since the changeover switch 63 is turned on, the power supplied from the auxiliary _Na through-turn capacitor k can be supplied to the control circuit 9 through the switch 63. Furthermore, since the first-clamp Z1 is short-circuited by the first P-type transistor 61, the auxiliary winding core _^ decreases the Da_transfer capacitance Qt and the surface area 妓 is higher than the second home voltage %, and the control circuit (4) Will _ turn. If the temperature is lower than the second hemp voltage, the second coffee & age cannot be (4) fine ^ 崎 得 第 贱 贱 贱 贱 贱 贱 贱 贱 及 及 及 及 及 及 及 及 及 及 及 , , , , , , , , , , 〇 will enter the conduction. At this time, the control circuit is stopped at the age of 90, and the fabric rotating capacitor Cm is charged again to the starting voltage, and the operation can be started. In the above description, the first-place voltage Vi and the second tank voltage 乍 are a magnetic core voltage. That is to say, the electric power on the scale (four) capacity Cst is higher than the first clamp voltage %, and the control circuit 90 can start to start 'the miscellaneous is lower than the second hard percentage %, and the control such as 1 will stop. No. 10 1311396 ___ 一年月修修 replacement page • The amplifying circuit 82 controls the switching opening 63 to conduct and control the transistor 4 〇 off according to the switching operation of the first-N type transistor 65. The switch 63 is 'introduced" so that the power supply on the sustain capacitor CST can be supplied to the control circuit 90 through the switch 63. Moreover, the transistor 4〇 cutoff system can cut off the charging path of the input voltage source to charge the sustain capacitor CST, and the drum saves power loss of the power supply wire. Referring back to the second figure, after the power supply is turned on, if the load terminal is short-circuited, the auxiliary φ ^ can't pass through the - body Da to charge the sustain capacitor CST, and the first-N type transistor 65 is turned off. The input terminal through the first inverter 71 in the amplifying circuit 82 is pulled to the ground so that the output of the first-reverse benefit 71 is at a high level voltage. This high level of electric dust will cause the transistor .4G to conduct, causing the power supply to start restarting again. Referring to the third figure, please refer to the fourth figure, which is a schematic diagram of the starting device circuit of the second embodiment of the present invention. The difference between the second embodiment of the present invention and the circuit of the first embodiment lies in the electronic components in the amplifying circuit 82 and their connection relationship, and the transistor 45 used in the second embodiment of the present invention is _---------- Crystal (MOSFET). The amplifying circuit 82 used in the second embodiment of the present invention, in addition to the second p-type transistor 62, the first-inverse (10) 71 and the third resistor-3 in the first embodiment, is further connected with a first-inverter 72 and A second N-type transistor is. In the above description, the second P-type transistor 62 is connected to the third resistor R3 in the same manner as the first embodiment. The first inverter 7! is connected to the closed end of the switch 63 and a second counter. The input of the directional device 72. The second N-type transistor 73 has a source terminal connected to the ground terminal, is not connected to the closed terminal of the transistor, and is connected to the output terminal of the second inverter 72. Referring to the fifth figure, the equivalent diagram of the parasitic capacitance of the gold-oxygen half-field effect transistor is shown. The transistor 1311396 45 has a drain D, a gate 〇 and an end point. The general MOS field effect transistor has parasitic between the end points after the k is formed.

_, effect, as shown in the fifth figure, in the bungee D and the gate G

There is a parasitic capacitance 91 between them, the gate G is dead f — , there is a parasitic capacitance 92 between the impurities S, and there is a parasitic electric valley 93 between the recording D and the source S. Therefore, after the winter preparations > i slant field effect electric hybrid 45 recorded D private dragon%, the system produces a voltage drop between the various points.匕 Temple, the voltage between the gate G and the source S is Vgs, which can be obtained by the following formula (〇: VD......... "91 C91 + c, 参........ ......................................... So when the voltage V is turned on丨_*

When it is built to a certain extent, a sufficient voltage is generated between the gate G and the source S of the transistor 45, and Tian Zhong is used to drive the transistor 45 to conduct. With reference to the fifth figure, the fourth reference to the fourth _, the transistor 45 has the characteristics of parasitic capacitance, so that the second embodiment of the present invention is used to drive the transistor 45 to be turned on by the input voltage source VIN. At the same time, charge CsT to maintain the capacitor. When the voltage on the sustain capacitor CST reaches the start voltage, the first clamp 2 丨 and the first civic device 4 may collapse, and the end of the second resistor R2 is established. Late V, # + r- Wild VR柒 voltage to win first! ^ Type transistor magic conduction. After the first-N type transistor 65 is turned on, the first-type transistor is turned on, and the second-type p-type transistor 62, the switching_3, and the second N-type transistor are also sequentially turned on. 73 transmits - zero potential to the gate terminal of the transistor 45 to cut off the transistor #, thereby cutting off the charging path of the input capacitor source domain to the sustain capacitor CsT charging, and (4) saving the power loss of the power supply. Referring to the fourth figure, after the power supply is started..々, the short circuit of the load terminal is caused to cause the auxiliary.

1311396 • Once na', >, to charge the sustaining capacitor core through the diode, at this time, the n-th transistor 65 is turned off through the amplifying circuit, and the input end of the first-inverter η is Pulling to the ground terminal, the wheel terminal of the second reverse 71, the input of the second inverter 72 and the gate of the changeover switch 63 are extremely quasi-voltage, causing the changeover switch 63 to be turned off. The rounding end of the second inverter 72 is at zero potential, causing the 汲 terminal of the -N-type transistor 73 to float with the gate terminal of the transistor 45. When the input voltage VrN continues to supply power, the power supply starts to restart again. With reference to the fourth figure, please refer to the sixth figure, which is a schematic diagram of the circuit of the starting device according to the third embodiment of the present invention. As shown in the figure /, the third embodiment of the present invention uses an amplifying circuit, except for the In the second embodiment, the first p-type transistor 62, the first inverter, the third resistor & the invertor 72 and the -N-type transistor 73 are used in the second embodiment. The gate terminal of the transistor 45 is added to the input terminal of the first-inverter 72. The boosting capacitor is loaded with the arm Capacntor X^ 'the positive terminal of the boosting capacitor c is connected to the gate terminal of the transistor 45. The second N-type transistor 73 has a negative terminal, and the negative terminal of the boosting capacitor Q is connected to the output end of the first inverter π and the second inverter 72_wheel terminal. And connected - the voltage dividing unit (composed of voltage dividing resistors Ra and Rb) to the holding capacitor Cst. Referring to the sixth figure, when the power supply is started, the input voltage Vin is used to drive the transistor to conduct, and the sustain capacitor CsT is charged. As is apparent from the description of the second embodiment, the output terminal of the first inverter 71 is a driving voltage Vx having a zero potential, and the reverse action of the second inverter 72 causes the -N-type transistor 73 to be turned on. At this time, the voltage on the sustaining capacitor cST is divided on the squeezing resistor because the second N plastic transistor 73 is turned on, so the N extreme voltage of the second N-type transistor 73 is reduced by the extreme voltage of the source and the voltage. The secret end f of the crystal 45 is the same (that is, the 13 1311396 __ J month R correction replacement page • the electric resistance on the pressure resistor )). The voltage on the voltage dividing resistor rb starts to boost the capacitor~ At this time, the closed end of the transistor 45 (ie, the butterfly on the RB is lower than the source terminal)

^ (that is, the dimension of the capacity and the upper), the transistor 45 system domain, into the __ wheel people rely on VlN to charge the holding capacitor CST charging, use (four) provincial power supply power loss. Referring to the sixth figure, after the power supply is started, if the load terminal is short-circuited, the auxiliary winding Να cannot be charged through the secondary auxiliary Da_transfer capacitor CsT, and the scale-N-type transistor 65 is turned off. The output of the first inverter 71 in the amplifying circuit 82 is a high-order (four) 曰 driving light vx, so that the second N-type transistor 73 is turned off. The high-level driving voltage νχ will sum the maximum voltage on the boosting capacitor C1, so that the gate terminal of the transistor 45 is electrically connected to the source terminal voltage, thereby accelerating and causing the transistor 45 to be turned on, so that the power supply starts again. Restart. - the third drawing 'Please refer to the seventh figure' is the circuit diagram of the starting device of the fourth embodiment of the present invention. The fourth embodiment of the present invention is the fourth embodiment of the present invention. The omission is omitted, and the starting resistor & connected to the input pin Vin is movably connected to the sustaining capacitor cST' to form the Rc charging and discharging circuit Q at the same time as the other in the fourth embodiment. The P-knife circuit is the same as the circuit of the first embodiment disclosed in the second figure, and the circuit operation is performed when the input electric grinder is applied to the power supply, and the input voltage charges the sustain capacitor CST. When the voltage on the sustain capacitor CsT reaches the start-up voltage (ie, the first-place voltage V)), the first clamp + ^ Ζι and the second clamp & The terminal voltage Vr is established at both ends of the two resistors, and the terminal voltage Vr causes the n-type transistor (4) to be turned on. After the N-type transistor 65 is turned on, the gate terminal of the _p-type transistor & And the gate terminal of the switch 63 is connected to the ground terminal _, and then the first - p 14 1311396 factory 卩 止 挟 挟 Ή Ή Ή Ή Ή Ή Ή 电 电 电 电 电 电 电 电 电 电 电 电 63 63 63 63 63 63 63 63 63 63 63 Type transistor - clamper Ζ, short circuit, let it lose (four) pressure clamp function. (4) switch the impurity 3 into the person conduction, so that the auxiliary winding Να through the diode Da to the maintenance capacitor & The voltage can be supplied to the control circuit 9 through the switch 63. ', the reference to the seventh figure' The amplifier circuit 82 includes a second! > type transistor crystal, the gate of which is connected to the P-type The gate terminal of the crystal 61 has its source terminal connected to the sustain capacitor &; the inverter 7!, an input terminal connected to the first The type of the transistor is not extreme, the output terminal is connected to the gate terminal of the switch 63; and the third resistor core has one end connected to the secret end of the second p-type transistor 62, and the other is connected. At the ground terminal GN〇. Further, since the first clamper 4 is short-circuited by the P-type transistor 61, the auxiliary winding NA is supplied with the power supply to the sustain capacitor CsT through the diode Da. The second home voltage V2 'control circuit 90 will continue to operate. Conversely, if it is lower than the second home voltage... the second clamp & will not enter the collapse state, thereby making the first type of transistor μ The switching Lu switch 63 and the Ν-type transistor 65 are successively turned off. At this time, the control circuit stops working, and waits again for the holding capacitor CsT to be charged again to the starting voltage, and the operation can be started. A clamping voltage % and the second tank voltage V2 are used as a hysteresis-to-boundary voltage range. That is, the potential of the sustaining capacitor & is higher than the first home voltage ^, and the control circuit 90 can be Startup 'potential is lower than the second clamp voltage% The operation of the control circuit 9 is stopped. The amplifying circuit 82 performs the switching operation of the N-type transistor 65 to perform signal amplification, thereby controlling the switching switch 63 to be turned on. Since the switching switch 63 is turned on, the auxiliary winding 15 1311396 • The power supplied by the Να through the diode Da to the sustain capacitor & can be supplied to the control circuit 90 through the cut. As described above, the present invention can be used after the power supply starts normal operation. Cut off the input voltage material _ refilling the building, the power loss of the 版娜 version, _ can also improve the power consumption of the power supply under no load, and thus achieve the power supply related world organization to the power supply under the no-load specification A series of green environmental protection (when the device is used, the starting device uses hysteresis to provide a hysteresis critical voltage range when the power supply starts or stops supplying power. The above detailed description and drawings of the specific embodiments of the present invention are only for the purpose of the invention, but the invention is not to be reduced, and the scope of the present invention shall be the following cap patents. · The embodiment of the invention should be included in the scope of the present invention. Anyone familiar with the art in the invention may be included in the invention. Or the modifications may be covered by the following patents in this case.

16 1311396 [Simple description of the diagram] - The first diagram is a schematic diagram of the circuit structure of the conventional power supply; The second diagram is a schematic diagram of the structure of the power supply circuit used in the present invention; 4 is a schematic diagram of a circuit of a starting device according to a second embodiment of the present invention; 'fifth is a schematic diagram of parasitic capacitance of a gold age field effect transistor; and FIG. 6 is a schematic diagram of a third embodiment of the present invention A schematic diagram of a circuit; and a seventh diagram of the circuit of the fourth embodiment of the present invention. [Main component symbol description]

Rst resistor CST capacitor Ul switching controller px Qi power switch T! Transformer T! Transformer DA diode body ^ body Q! Power switch U2 switching controller Rst starting resistor Cst maintaining capacitor Z1 first clamp 40 electric Crystal 45 transistor z2 second clamp R2 second resistor Ri first resistor R3 third resistor (^ boost capacitor Ra divider resistor Rb divider resistor 61 first P-type transistor 62 second p-type transistor 63 Switching switch 65N type transistor 71 first inverter 72 second inverter 80 starting control unit 82 amplifying circuit 1311396 na auxiliary winding GND grounding end

18

Claims (1)

1311396 f replacement page is connected to an input voltage source and one-dimensional ten, the scope of patent application: 1, the kind of starting device 'applies to the start of the power supply, holding capacitors, including: - transistor, with - source Extreme, - _ terminal and - difficult, the 汲 terminal is connected to the input voltage source, the source terminal is connected to the maintaining capacitor; starting (four) j single it, having - input terminal and - wheel (four) 'the wheel is connected to the human terminal The switching capacitor is connected to the source terminal of the transistor, and the wheel terminal is connected between the transistor and the switching switch, and is connected to the output end of the starting control unit and the holding capacitor; thereby, the input voltage The source controls the transistor to be turned on, and charges the sustain capacitor. After the start control unit obtains the start voltage from the sustain capacitor, the switch switch _L is controlled to provide the power supply on the sustain valley to the power supply. The control circuit uses and controls the transistor to turn off to cut off the charging path of the input voltage source to charge the sustain capacitor. 2. The starting device of claim 2, wherein the electro-crystalline system is a junction type field effect transistor. 3. The starter device of claim 2, further comprising a start resistor coupled to the input voltage source and the drain terminal of the transistor. 4. The activation device of claim 1, wherein the activation control unit comprises: a first P-type transistor having a source terminal connected to the sustain capacitor and a source terminal of the transistor, a first resistor is connected to the sustain capacitor; a first N-type transistor having a 汲 terminal connected to the gate terminal of the first P-type transistor, a source 19 1311396 - an terminal connected to a ground terminal; - a - clamp H, connected between the source terminal and the secret end of the first-P type transistor; - a first-clamp, the - terminal is connected to the 汲 terminal of the first-p-type transistor, and the other end is connected to the first-N a terminal of the type transistor, and connected to the ground through a second resistor; and - an amplifying circuit is connected to the terminal of the first-N type transistor, the rotating capacitor, the switching switch and the gate of the transistor At the extreme, the switching of the first-N-type transistor is recorded to perform signal amplification. 5. The activation device of claim 4, wherein the first clamper and the second home device successively collapse according to the rise of the sustain capacitor potential, thereby generating a -first clamp voltage and A first borrow voltage is used as a hysteresis threshold. 6. The starting device of claim 4, wherein the amplifying circuit comprises: - a second P-type transistor, the gate terminal of which is connected to the extreme between the -p-type transistors, and the source terminal is connected The switching capacitor, the source terminal of the powerless crystal; the first inverter 'the input terminal is connected to the 汲 terminal of the second P-type transistor, and the output terminal is connected to the switching coffee and the electric The gate of the crystal is extreme; and the third resistor is connected to the recording end of the second P-type transistor, and the other end is connected to the ground. 7. According to Shen Qing's monograph, the first embodiment of the invention, wherein the electro-crystalline system is a gold-oxygen half-field effect transistor. 8. If you apply for the application of Lai Xiu, 7 items, which are more advanced, and you will be able to start the resistance. 1311396 - Connected to the stomach to input the t-face without flaws. 9. The starting device according to claim 7, wherein the starting control unit comprises a first P-type transistor, the source terminal is connected to the working capacitance and the electric green source is extreme, the gate terminal Connected to the sustain capacitor through a first resistor; a first N-turn crystal whose termination is connected to the gate terminal of the _p-type transistor, and the source terminal is connected to a ground terminal; '--th-sweet position ϋ' The source terminal connected to the first-P type transistor has no extremes; - the first-hetero H, the end of which is connected to the hard end of the first-type p-type transistor, and the other end is connected to the first-N type transistor The gate terminal is connected to the ground terminal through the __second resistor; and the 汲 terminal of the '1^_-N-type transistor, the sustain capacitor, the switch and the gate of the transistor are according to the __ N-type transistor switching for signal amplification. The igniter of claim 9, wherein the first clamper and the second home appliance successively collapse according to the rise of the sustain capacitor potential, thereby generating a first clamp voltage - And the second clamp voltage is used as a hysteresis threshold voltage range. The starting device of claim 9, wherein the amplifying circuit comprises: a second p-type transistor having a gate terminal connected to a gate terminal of the first p-type transistor, the source terminal Connected to the sustaining capacitor, the switching switch and the source terminal of the transistor; the first inverter has an input terminal connected to the 汲 terminal of the second p-type transistor, and the wheel terminal is connected to the switching Switch gate extreme; 21 1311396 '1三杂ϋ' its-scale connection _ second P贱 crystal is not extreme / connected to the reference ground; - second inverter, its - input terminal is connected to the output of the first - inverter And - the second N-type transistor, the miscellaneous end of the reference _, ____ crystal gate extreme, the gate terminal is connected to the wheel of the second inverter. 12. The starting device of claim 9, wherein the amplifying circuit comprises: - a second P-type transistor, the gate terminal of which is connected to the gate terminal of the _p-type transistor, the source terminal Connected to the sustain capacitor, the switching source _ the source terminal of the transistor; - a first inverter, one input terminal is connected to the 汲 terminal of the second p-type transistor, and an output terminal is connected to the switch The other end is connected to the third resistor, the - terminal is connected to the secret end of the second P-type transistor, and the other end is connected to the ground; a second inverter is connected to the input terminal. An output terminal of the inverter; a second N-type transistor whose source terminal is connected to the system through a voltage dividing resistor and connected to the sustaining power W terminal is connected to the idle terminal of the transistor, and the output terminal of the idle terminal is connected And a state boost capacitor having a JL terminal connected to the gate terminal of the transistor and the drain terminal, and a negative terminal connected to the output terminal of the first inverter and the first reverse of the second N-type transistor The wheel end of the device. When the starter device described in claim 12 is restarted, it is used to accelerate the conduction of the transistor. The shai boost capacitor is used in the power supply for 22 1311396. The R-type starter device is applied to the power supply. It is connected to an input voltage source through a starting resistor and connected to a sustain capacitor. An auxiliary winding includes: a start control unit 7L 'having an input terminal and an output terminal, the input end being connected to the sustain capacitor; and a switch connected to an output end of the start control unit and the sustain capacitor; Thereby, the input voltage source charges the sustain capacitor through the start resistor, and the start control control unit obtains a start voltage from the sustain capacitor, and outputs an output to control the switch to be turned on to provide power for maintaining the power valley. Control circuit is used. K is the starting device of claim 14, wherein the starting control unit comprises: a P-type transistor whose source terminal is connected to the sustaining capacitor and a source terminal of the switching switch. Resistor connection_maintaining capacitance; source terminal-N type transistor, Wei terminal is connected to the gate terminal of the first p-type transistor, and is connected to a reference ground; the sweet bit thief is connected to the first p-type transistor The source is extreme and not extreme; the clamp 4 is connected to the 汲 terminal of the first P-type transistor, the other end is connected to the gate terminal of the Ν-type transistor and is transmitted through - the second resistor is connected to the ground And the connection _ Ν 35 35 body of the ugly end, the turn of the f capacity and the switch gate extreme '余__电杂之_, the bribery of the job magnified. The activation device according to claim 15, wherein the first home device and the second device are successively collapsed according to the rise of the hetero-capacitance potential, thereby generating a first-home power. 23 311396 What and - the second clamp voltage is used as the - magnetic miscellaneous range. The activation device of claim 15, wherein the amplifying circuit comprises: [the gate terminal, the second P-type transistor, the gate terminal of which is connected to the first P-type transistor" Connected to the sustaining capacitor and the switching switch; - the inverter is connected to the second p-type transistor, and is connected to the open end of the switching switch; and - the third resistor, The terminal is connected to the 汲 terminal of the second p-type transistor at the ground. • Round the other end twenty four