CN113922668B - Single-event transient strengthening circuit and method applied to DC-DC converter - Google Patents
Single-event transient strengthening circuit and method applied to DC-DC converter Download PDFInfo
- Publication number
- CN113922668B CN113922668B CN202111043509.0A CN202111043509A CN113922668B CN 113922668 B CN113922668 B CN 113922668B CN 202111043509 A CN202111043509 A CN 202111043509A CN 113922668 B CN113922668 B CN 113922668B
- Authority
- CN
- China
- Prior art keywords
- ota
- output
- converter
- charge
- circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000001052 transient effect Effects 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000005728 strengthening Methods 0.000 title description 7
- 238000005070 sampling Methods 0.000 claims abstract description 35
- 230000002787 reinforcement Effects 0.000 claims abstract description 27
- 239000003990 capacitor Substances 0.000 claims abstract description 15
- 238000007599 discharging Methods 0.000 claims description 9
- 238000010849 ion bombardment Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 abstract description 14
- 238000001514 detection method Methods 0.000 description 8
- 238000011084 recovery Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000003471 anti-radiation Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
-
- 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
- H02M3/158—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 including plural semiconductor devices as final control devices for a single load
-
- 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
- H02M3/157—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 with digital control
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
The invention discloses a single-particle transient reinforcement circuit applied to a DC-DC converter, which comprises an OTA, wherein the forward end of the OTA is sequentially connected with a sampling capacitor C S Sampling switch S 1 The reverse end of the OTA is connected with the output end of the EA, and the output of the OTA is connected with a charge-discharge bias current circuit. The invention discloses a method for carrying out single-event transient reinforcement by adopting a single-event transient reinforcement circuit applied to a DC-DC converter, which solves the problem that an EA output node in a voltage loop of the DC-DC converter causes output voltage V due to ASET influence OUT Ripple voltage increase or output voltage V OUT Wave motion problem.
Description
Technical Field
The invention belongs to the technical field of irradiation-resistant reinforcement of switching power supplies, relates to a single-particle transient reinforcement circuit applied to a DC-DC converter, and further relates to a method for carrying out transient reinforcement by adopting the reinforcement circuit.
Background
DC-DC converters play a vital role in the power system of an aerospace power system. DC-DC converters are typically used to generate a regulated DC output voltage from a DC input source with high power efficiency, and any changes in the output voltage caused by irradiation may affect the operation of other circuits powered by the converter.
With the development of deep submicron processes, the failure rate caused by single event transient pulses (SET, single Event Transient) is greatly improved. SET has attracted a great deal of attention. At present, the research field of anti-radiation integrated circuits for aerospace mainly focuses on the anti-radiation reinforcement technology of a process and the radiation reinforcement technology of a digital integrated circuit, and the research of anti-radiation analog integrated circuits is less.
An error amplifier (EA, errorAmplifier) as one of the core modules of the DC-DC converter voltage loop, feeds back the voltage V FB With reference voltage V REF The output of which is the inverse of the PWM comparator input signal as shown in fig. 1. Meanwhile, EA provides enough gain for the loop and ensures the accuracy of feedback adjustment. When heavy ions or high-energy electrons bombard the output node of EA and cause an analog single event transient pulse (ASET, analog Single Event Transient), the node is caused to generate a larger transient voltage change, and the capacitance C is large due to the frequency compensation module C Leading to slow recovery, leading to PWM output of wide and narrow pulses, and further leading to change of duty ratio D, leading to output voltage V OUT Ripple voltage increase or output voltage V OUT Larger fluctuations occur.
The reinforcement effect of the traditional layout-level or process-level reinforcement scheme cannot provide good reliability evaluation in circuit-level design, so that great trouble is brought to circuit design, and the irradiation resistance of a circuit needs to be evaluated by introducing the reinforcement scheme from the circuit level.
Disclosure of Invention
The invention aims to provide a single-event transient reinforcement circuit applied to a DC-DC converter, which solves the problem that an EA output node in a voltage loop of the DC-DC converter causes an output voltage V due to ASET influence OUT Ripple voltage increase or output voltage V OUT Wave motion problem.
The invention further provides a single-particle transient strengthening method applied to the single-particle transient strengthening circuit of the DC-DC converter.
The first technical proposal adopted by the invention is thatSingle-event transient reinforcement circuit applied to DC-DC converter comprises OTA, and sampling capacitor C sequentially connected with positive terminal of OTA S Sampling switch S 1 The reverse end of the OTA is connected with the output end of the EA, and the output of the OTA is connected with a charge-discharge bias current circuit.
The first technical scheme of the invention is characterized in that:
sampling switch S 1 One end of the sampling switch S is connected with the output end of EA 1 The other end of (C) is connected with a sampling capacitor C S Upper plate, sampling capacitor C S The lower plate of (2) is grounded, and the sampling capacitor C S Is connected to the positive terminal of the OTA.
The output end of the OTA is connected with a charge-discharge bias current circuit through a Control module.
The charge-discharge bias current circuit includes a charge switching tube M3 and a discharge switching tube M4.
The second technical scheme adopted by the invention is that the method for carrying out single-particle transient reinforcement by the single-particle transient reinforcement circuit applied to the DC-DC converter specifically comprises the following steps:
when the EA output end works normally, the OTA output common mode level is used as a Control module Control signal to enable the bias current I to be bias1 、I bias2 All the charging switch tube M3 and the discharging switch tube M4 are disconnected, and at the moment, the charging and discharging bias current circuit and the EA output node are directly disconnected;
when the EA output end causes single-event transient pulse due to heavy ion bombardment, the Control module outputs an enable signal EN to start a charge-discharge bias current circuit, and when negative pulse occurs and V is generated C Less than V CS When the threshold value is exceeded, the OTA outputs a high level, and the Control module outputs a low level to enable the charging switch tube M to be charged 3 Conducting to rapidly charge the EA output end; if a positive pulse occurs, i.e. V C Greater than V CS When the threshold value is exceeded, the OTA outputs a low level, and the Control module outputs a high level to enable the discharge switch tube M to be discharged 4 Conduction rapidly discharges the EA output.
The beneficial effects of the invention are as follows: the invention provides a single-particle transient strengthening circuit applied to a DC-DC converter,the circuit structure is simple, and the reinforced circuit can inhibit the single-particle transient effect. Compared with the traditional layout-level reinforcement scheme, the method can evaluate and design the irradiation resistance of the circuit in the design stage of the circuit schematic diagram. At the same time, solves the problem that the EA output node in the voltage loop of the DC-DC converter causes output voltage V due to ASET influence OUT Ripple voltage increase or output voltage V OUT The problem of fluctuation accelerates the recovery time of the DC-DC converter loop after single particle disturbance.
Drawings
FIG. 1 is a schematic diagram of a Boost DC-DC converter loop;
fig. 2 is a schematic diagram of a single-particle transient reinforcement circuit structure applied to a DC-DC converter according to the present invention.
Detailed Description
The invention will be described in detail below with reference to the drawings and the detailed description.
A schematic diagram of a Boost DC-DC converter loop is shown in FIG. 1, wherein EA is used as one of the core modules of the voltage loop, and the reverse end and the feedback voltage V FB Is connected with the reference voltage V at the positive terminal REF Is connected with the voltage amplifier to amplify the difference value of the voltage amplifier and EA to output the voltage V C Is connected with the reverse end of PWM and realizes the main switch M through a digital control module 1 Freewheel tube M 2 Gate control of (c). EA amplifier with large capacitance C due to frequency compensation module C Resulting in its output node being sensitive to single particles and due to the large capacitance C C Resulting in slow recovery and thus M 1 、M 2 The gate control signal has a wide-narrow pulse phenomenon or pulse missing, and finally the output voltage V OUT Ripple voltage increase or V OUT Wave motion.
The invention is applied to a single-event transient reinforcement circuit of a DC-DC converter, as shown in figure 2, and comprises an OTA (transconductance amplifier), wherein the forward end of the OTA is sequentially connected with a sampling capacitor C S Sampling switch S 1 The reverse end of the OTA is connected with the output end of the EA, and the output of the OTA is connected with a charge-discharge bias current circuit. Sampling switch S 1 One end of the sampling switch S is connected with the output end of EA 1 The other end of (C) is connected with a sampling capacitor C S Upper plate, sampling capacitor C S The lower plate of (2) is grounded, and the sampling capacitor C S Is connected to the positive terminal of the OTA. The output end of the OTA is connected with a charge-discharge bias current circuit through a Control module.
The invention relates to a method for single-event transient reinforcement by a single-event transient reinforcement circuit applied to a DC-DC converter, which utilizes a sampling switch S 1 Sampling capacitor C S To EA output V C Sampling is carried out, a sampling signal is used as a forward end input signal of an OTA, an OTA reverse end is directly connected with an EA output end, real-time single particle detection is carried out on an EA output node, and rapid charge and discharge operation is carried out on the EA output node by comparing the two sizes. When the OTA output end is directly connected with the EA output end, detection and suppression of single event transient effects can be realized.
The OTA amplifies the difference value between the sampling voltage and the detection voltage, an OTA overturning threshold value is set, and when the difference value between the sampling voltage and the detection voltage is greater than 10mV, the OTA outputs high and low levels as a compensation circuit control signal. If ASET occurs, when the detection voltage is lower than the sampling voltage, the OTA outputs a high-level control compensation circuit to perform quick charge acceleration recovery on an EA output end; when the detection voltage is higher than the sampling voltage, the OTA output low-level control compensation circuit works to perform quick discharge acceleration recovery on the EA output end; when the difference between the detection voltage and the sampling voltage is not more than 10mV, the OTA output is set to be in a high resistance state, the compensation network is controlled to be closed, and the OTA output is disconnected with the EA output end.
When the DC-DC converter works normally, the compensation circuit does not work, and only the voltage of the EA output node is detected, so that the normal work and performance of the voltage loop are ensured.
Since the sampling voltage at the forward end of the OTA is disconnected from the output node, and the detection voltage at the reverse end follows the EA output voltage V C If the ASET occurs at the output node of the OTA, the charging circuit or the discharging circuit is turned on to perform additional charging and discharging operations on the EA output node, at this time, the OTA can quickly make adjustments to prevent the overcharge or overdischarge phenomenon, and the effect of restraining the single-event transient effect is also achieved.
When the loop works normally, the sampling is openedSwitch S 1 The sampling capacitor C is refreshed after being closed once every 100 periods S The sampled voltage is used as a positive end input signal of the OTA; the reverse end is directly connected with the EA output node to detect the single event transient pulse in real time. M3 and M4 are respectively charging and discharging switch tubes, M5-M8 form a current mirror, I bias1 、I bias2 Biasing current for charge and discharge.
When the EA output end works normally, the OTA output common mode level is used as a Control module Control signal to enable the bias current I to be bias1 、I bias2 All are disconnected, and the charging switch tube M3 and the discharging switch tube M4 are turned off, so that the charging and discharging circuit and the EA output node are directly disconnected, power consumption is not generated, and the normal operation of a loop is not influenced.
When the EA output end causes single-event transient pulse due to heavy ion bombardment, the Control module outputs an enable signal EN to start a charge-discharge bias current circuit, and when negative pulse occurs and V is generated C Less than V CS When the threshold value is exceeded, the OTA outputs a high level, and the Control module outputs a low level to enable the charging switch tube M to be charged 3 Conducting to rapidly charge the EA output end; if a positive pulse occurs, i.e. V C Greater than V CS When the threshold value is exceeded, the OTA outputs a low level, and the Control module outputs a high level to enable the discharge switch tube M to be discharged 4 Conduction rapidly discharges the EA output.
Through the mode, the single-event transient reinforcing circuit applied to the DC-DC converter can inhibit the single-event transient effect of the EA output node, so that the recovery time of a loop of the DC-DC converter after being disturbed by single event is greatly shortened, and the ripple voltage and the voltage fluctuation of the output voltage are reduced.
The invention is applied to a single-particle transient reinforcement circuit of a DC-DC converter, and solves the problem of hysteresis evaluation of layout-level or process-level reinforcement technology.
The single-event transient strengthening method applied to the single-event transient strengthening circuit of the DC-DC converter suppresses the output voltage V of the DC-DC converter caused by ASET OUT Ripple voltage increase or output voltage V OUT The fluctuation problem of the DC-DC converter loop is quickenedRecovery time after particle disturbance.
Claims (3)
1. Be applied to single event transient reinforcement circuit of DC-DC converter, its characterized in that: the positive terminal of the OTA is connected with the sampling capacitor C in sequence S Sampling switch S 1 The reverse end of the OTA is connected with the output end of the EA, and the output of the OTA is connected with a charge-discharge bias current circuit;
the sampling switch S 1 One end of the sampling switch S is connected with the output end of EA 1 The other end of (C) is connected with a sampling capacitor C S Upper plate, sampling capacitor C S The lower plate of (2) is grounded, and the sampling capacitor C S The upper plate of the upper plate is connected with the forward end of the OTA;
and the output end of the OTA is connected with a charge-discharge bias current circuit through a Control module.
2. The single-event transient reinforcement circuit for a DC-DC converter of claim 1, wherein: the charge-discharge bias current circuit comprises a charge switch tube M3 and a discharge switch tube M4.
3. The method for single-event transient reinforcement by adopting the single-event transient reinforcement circuit applied to the DC-DC converter as claimed in claim 2, which is characterized in that: the method specifically comprises the following steps:
when the EA output end works normally, the OTA output common mode level is used as a Control module Control signal to enable the bias current I to be bias1 、I bias2 All the charging switch tube M3 and the discharging switch tube M4 are disconnected, and at the moment, the charging and discharging bias current circuit and the EA output node are directly disconnected;
when the EA output end causes single-event transient pulse due to heavy ion bombardment, the Control module outputs an enable signal EN to start a charge-discharge bias current circuit, and when negative pulse occurs and V is generated C Less than V CS When the threshold value is exceeded, the OTA outputs a high level, and the Control module outputs a low level to enable the charging switch tube M to be charged 3 Conducting to rapidly charge the EA output end; if a positive pulse occurs, i.e. V C Greater than V CS When the set threshold value is exceeded,OTA outputs low level, control module outputs high level to make discharge switch tube M 4 Conduction rapidly discharges the EA output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111043509.0A CN113922668B (en) | 2021-09-07 | 2021-09-07 | Single-event transient strengthening circuit and method applied to DC-DC converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111043509.0A CN113922668B (en) | 2021-09-07 | 2021-09-07 | Single-event transient strengthening circuit and method applied to DC-DC converter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113922668A CN113922668A (en) | 2022-01-11 |
| CN113922668B true CN113922668B (en) | 2024-01-16 |
Family
ID=79233971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111043509.0A Active CN113922668B (en) | 2021-09-07 | 2021-09-07 | Single-event transient strengthening circuit and method applied to DC-DC converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113922668B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009033878A (en) * | 2007-07-27 | 2009-02-12 | Renesas Technology Corp | Dc-dc converter |
| TWI538372B (en) * | 2015-05-29 | 2016-06-11 | Buck DC converter and its fast response circuit | |
| CN107102671A (en) * | 2017-04-28 | 2017-08-29 | 成都华微电子科技有限公司 | Low-power consumption fast transient response low-voltage difference adjustor |
| CN107546964A (en) * | 2017-08-22 | 2018-01-05 | 成都芯辰微电子技术有限公司 | A kind of loop control system and control method of DC DC converters |
| CN108445947A (en) * | 2018-05-21 | 2018-08-24 | 广州大学 | A kind of fast transient response circuit applied to DC-DC converter chip |
| CN109494990A (en) * | 2019-01-03 | 2019-03-19 | 深圳市基准半导体有限公司 | A method of load transient response speed is improved using the variable Boost DC-DC of changeable frequency and mutual conductance |
| CN112383224A (en) * | 2020-11-19 | 2021-02-19 | 深圳英集芯科技有限公司 | BOOST circuit for improving transient response and application method thereof |
| CN112804786A (en) * | 2019-11-13 | 2021-05-14 | 圣邦微电子（北京）股份有限公司 | LED drive circuit and control circuit thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8421432B2 (en) * | 2009-09-17 | 2013-04-16 | Linear Technology Corporation | DC/DC converter having a fast and accurate average current limit |
-
2021
- 2021-09-07 CN CN202111043509.0A patent/CN113922668B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009033878A (en) * | 2007-07-27 | 2009-02-12 | Renesas Technology Corp | Dc-dc converter |
| TWI538372B (en) * | 2015-05-29 | 2016-06-11 | Buck DC converter and its fast response circuit | |
| CN107102671A (en) * | 2017-04-28 | 2017-08-29 | 成都华微电子科技有限公司 | Low-power consumption fast transient response low-voltage difference adjustor |
| CN107546964A (en) * | 2017-08-22 | 2018-01-05 | 成都芯辰微电子技术有限公司 | A kind of loop control system and control method of DC DC converters |
| CN108445947A (en) * | 2018-05-21 | 2018-08-24 | 广州大学 | A kind of fast transient response circuit applied to DC-DC converter chip |
| CN109494990A (en) * | 2019-01-03 | 2019-03-19 | 深圳市基准半导体有限公司 | A method of load transient response speed is improved using the variable Boost DC-DC of changeable frequency and mutual conductance |
| CN112804786A (en) * | 2019-11-13 | 2021-05-14 | 圣邦微电子（北京）股份有限公司 | LED drive circuit and control circuit thereof |
| CN112383224A (en) * | 2020-11-19 | 2021-02-19 | 深圳英集芯科技有限公司 | BOOST circuit for improving transient response and application method thereof |
Non-Patent Citations (3)
| Title |
|---|
| On-Chip Compensated Error Amplifier for Fast Transient DC-DC Converters;H. -w. Huang, H. -h. Ho, C. -j. Chang, K. -h. Chen and S. -y. Kuo;《2006 IEEE International Conference on Electro/Information Technology》;第103-108页 * |
| 一款抗单粒子瞬态加固的偏置电路;韩本光，曹琛等;《北京理工大学学报》;第第33卷卷(第第2期期);第190-194页 * |
| 具有抗加特性的低压大电流DC-DC转换器设计与实现;贺旭东;《中国优秀硕士学位论文全文数据库 工程科技II辑》;第C042-169页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113922668A (en) | 2022-01-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101845337B1 (en) | Single-inductor positive and negative voltage output device | |
| CN112152449B (en) | DC-DC converter | |
| CN112467820B (en) | Spacecraft power supply system and control method thereof | |
| CN109871059B (en) | Ultralow voltage L DO circuit | |
| TW201115295A (en) | Low dropout regulators, DC to DC inverters and method for low dropout regulation | |
| CN102332817A (en) | A solar array sequential shunt regulator | |
| US11880215B2 (en) | Digital comparator for a low dropout (LDO) regulator | |
| CN113922668B (en) | Single-event transient strengthening circuit and method applied to DC-DC converter | |
| CN117539311A (en) | NMOS low dropout linear voltage regulator with self-bias charge pump structure | |
| CN117389371B (en) | Dual-loop frequency compensation circuit suitable for LDO and compensation method thereof | |
| CN212809024U (en) | Low dropout regulator | |
| CN112234823B (en) | Low-voltage input and wide-load output linear voltage converter and power supply system | |
| CN102045029A (en) | Operation amplifying circuit | |
| CN109274261A (en) | Non-isolated negative pressure output control circuit and control method | |
| CN113970950A (en) | A low dropout linear regulator | |
| CN117458401A (en) | An overcurrent/short circuit protection recovery circuit | |
| CN115622393B (en) | Switching converter and control circuit thereof | |
| JP7632194B2 (en) | Solar control device, method, program, and vehicle | |
| CN115425962A (en) | Single-event transient reinforcing circuit applied to DC-DC converter | |
| CN208461693U (en) | High input voltage DC-DC converter | |
| Liu et al. | Single Event Effects Radiation Hardened by Design for DC-DC Converter Based on Automatic Detection and Dynamic Compensation | |
| CN110299843B (en) | Composite DCDC circuit | |
| CN102013877A (en) | Transconductance amplifier for reducing compensation capacitance | |
| JP5495643B2 (en) | Power controller and power control method | |
| CN117294298B (en) | Buffer circuit and driving device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |