Two-Transistor Flyback Converter can reduce greatly the switching stress of the power switch and does not need to degausser, suitable for high input voltage Switching Power Supply.
经半个多世纪的发展，开关电源因其具有体积小、重量轻、效率高、发热量低、性能稳定等优点，已经逐渐取代了传统的线性稳压电源。
In Two-Transistor Flyback Converter circuit, a power semiconductor device in Flyback Converting circuit has been replaced by two power semiconductor devices which parallel connected with an ultra-fast diode with soft recovery characteristics. Two-Transistor Flyback Converter can reduce greatly the switching stress of the power switch and does not need to degausser, suitable for high input voltage Switching Power Supply.
反激变换是从Buck-Boost变换演变而来的，将反激变换电路中的单个功率开关管用两个替代，并在每个功率开关管上并联一十箝啦的快恢复二极管而形成的双晶体管反激变换电路，能大大降低功率开关管承受的开关应力，且不需要消磁电路，非常适用于高输入电压的开关电源。
While the transistors conduct, the pnp transistor connects one tap on the inductor to the positive supply voltage, and the npn transistor connects the other tap to the negative supply voltage.
当晶体管导电时，PNP型晶体管将电感的一端与电源正极相连，NPN型晶体管将电感的另一端与电源负极相连。
Before the introduction of two wide input range of comprehensive integrated schottky diode switches and a new boost regulator mic2605 and mic2606, two facilities were operating frequency of 1.2mhz (mic2605) and 2mhz(mic2606), can provide less than 0.5a switch current, is the latest introduction of micrel mic2601/2 product line to add equipment, dedicated to tv tuners, broadband communications, thin film transistor liquid crystal display bias supply, is the output regulator, single-ended primary inductance converters, dsl applications and local boost regulators.
日前引进两款综合了宽输入范围集成开关和肖特基二极管的新型升压调节器mic2605与mic2606，两款设备的运行频率分别为1.2mhz(mic2605)和2mhz(mic2606)，可提供0.5a以内的开关电流，是麦克雷尔公司最新引进的mic2601/2产品系列的补充设备，专用于电视调谐器、宽带通信、薄膜晶体管液晶显示屏偏压电源、正输出调节器、单端初级电感转换器、dsl应用以及本地升压调节器。
The Company's products cover the world-renowned brand IC, diode transistor, SMD aluminum capacitors and tantalum capacitors and other electronic components, widely used in civil, industrial, military field communications digital network, audio-visual products, toys market, household appliance industry, power supply, such as products, by virtue of the company years of operations, and suppliers set up friendly and cooperative relations, so we have a lot of inventory, reasonable prices and quick delivery.
公司产品涵盖国际知名品牌的IC，二极三极管，贴片铝电容及钽电容等电子元器件，广泛应用于民用，工业，军事领域的通讯数码网络，视听产品，玩具市场，家电行业，电源供应器等产品上，凭借公司多年的经营，与供应商建立的友好合作关系，使我们拥有了大量库存，合理的价格和快捷的交货。
Leakage power has become one of the main restrictions on microprocessor design with the decrease of the transistor＇s dimension, supply voltage and threshold voltage.
随着工艺尺寸的缩小，漏流功耗逐渐成为制约微处理器设计的主要因素之一。
Take the transistor size, the supply voltage, and the threshold voltage as tuning variables which are optimized jointly in terms of power and speed in this thesis which can reduce the dynamic power to one half and can increase the speed to 20%.
电晶体尺寸大小、电源电压、以及临界电压作为调整参数，联合这些参数采用本论文提出功率与速度最佳化的方法，可以使得动态的功率消耗减少原来的一半并使得速度提升百分之二十。
High-power amplifiers, on the other hand, deliver substantial currents to low-impedance outputs, normally subjecting the supply transistor to its triode region (i. e., low-resistance switch mode) and in series with the low-impedance output.
另一方面，大功率的放大器，一般会使供电晶体管进入到三极管区(例如，低电阻的开关模式)，同时串联低阻抗输出，这将传送实际电流给低负载的阻抗。
This paper describes a transistor chopper with the great power supply of 200V, the output current up to 60A, the chopping frequency of 2kHz, and the resistiye experimental load or inductive load up to 2.5H, and it has been successfully applied to a great power magnetic suspension system.
本文介绍一个用于磁悬挂系统的大功率晶体管斩波器，它的工作电源电压为200V，输出电流为60A，斩波频率为2kHz，试验负载从阻性到感性，电感量达2.5H。该斩波器在一个单自由度大功率磁悬浮试验装置中完成了磁悬挂控制试验。
An analog control, in accordance with corresponding changes in the load modulation transistor gate of the base or bias, to achieve the output transistor switching power supply or transistor turn-on time of change in this way can the power supply output voltage in the workplace Conditions of constant change.
一种模拟控制方式，根据相应载荷的变化来调制晶体管栅极或基极的偏置，来实现开关稳压电源输出晶体管或晶体管导通时间的改变，这种方式能使电源的输出电压在工作条件变化时保持恒定。
Its production series includes kinds of package devices such as TRANSISTOR, MOSFET, SCR, 3-TERMINAL VOLTAGE REGULATOR etc, with more than 1000 kinds of type, which are widely used in electronical equipments such as TV set, monitor, power supply, AV product, eletrical appliance, telephone, mobile telephone, computer, toy, energy -saving lamp, instruments etc.
公司位于佛山市禅城区，占地面积9000多平方米，厂房面积18000多平方米，拥有大量进口先进自动化生产设备，产品系列有各种封装的晶体管、场效应管、可控硅、三端稳压IC等，品种达1000余种，可以为电视机、显示器、电源、音响、家用电器、电话机、手机、电脑、玩具、节能灯、仪器仪表等各种电子设备配套。
When, as a result of an over current condition, the output voltage is lower than a reference threshold level (22a), any selection of the higher output voltage is automatically over-ridden and the source of the lower supply input voltage, instead, is coupled to the input main current conducting terminal of the series pass transistor.
当由于过流条件，输出电压低于参考阈值电平(22a)时，较高的输出电压的任何选择被自动过载，代之以较低的电源输入电压源被耦合到串行传送晶体管的输入主电流导通端。
Under normal operating conditions, D2`s output transistor is off, and the gate of P-channel MOSFET Q4 goes through R9, such that the MOSFET is fully enhanced, allowing the load current, ILOAD, to flow from the supply voltage, –VS, through R6 into the load.
在正常工作情况下，D2的输出晶体管截止，而且P沟道MOSFET（Q4）的门极通过R9，以至于MOSFET是全面增强的，允许负载电流ILOAD从电源–VS通过R6流到负载处。Q2和电流敏感电阻R6监测ILOAD的幅值，其中Q2的基极和发射极电压VBE是ILOAD×R6。
In this paper, a phase shifting pulse width modulated soft switching high voltage invert power supply has been developed with the use of the principle of advanced invert technique and the new type of power semi-conductor device-Insulated Gate Bipolar Transistor.
本文采用最新的逆变思想与新型的开关器件—绝缘栅型双极晶体管，研制出了移相式PWM软开关高压逆变电源。
Power switch is connecting power supply source series with a transistor. When circuit is in idle mode, the power switch is disconnected from power supply source. A significant reduction on leakage current can be achieved via power switch.
功率闸主要是在电路与供应电压源之间的串接一个电压开关，当电路进入闲置时，功率闸将开启以切断於供应电压源之间的连接，由一些文献中得知功率闸对於漏电流可以达到有效的抑止。
According to the characteristics of tiny holes electrospark machining, a single micro-energy pulse power supply with self-adaptive control function, in which the large power field-effect transistor (FET) is used as switch element, has been developed.
根据电火花细微孔加工的工艺特点，研制了以大功率场效应管为开关器件的独立式适应控制微能脉冲电源。
The representative products of cathodic protection power supply at various stages are rectifier, potentiostat Including the type of magnetic saturation, transistor, DC/DC converter and inverter, and other direct supply which makes use of natural resources such as closed cycle vapor turbogenerator.
各个阶段阴极保护电源的代表产品包括整流器、磁饱和式、晶体管式、DC/DC变换式、逆变式恒电位仪、利用自然资源的密闭循环蒸汽发电机等其它直流电源。
In this dissertation, the impact to the circuit parameter caused by the time-varied supply is discussed. Especially the drain-source parasitical capacitor at the pin of transistor is varied with the power supply, and the match is also changed.
文中首先分析了时变漏压对PA工作时的电路参数产生的影响，尤其是处于功率管管脚根部的漏源寄生电容，随着漏极静态电压而变化，使得匹配发生改变。
The bias circuit using a MOS transistor which always operate in linear region to bias the two transistors of the cascode stage operating at the edge of saturation to improve the output voltage swing and subsequently low down the supply voltage.
该偏置电路原理是利用一个始终工作在线性区的MOS管来使共源共栅电流镜的两个级联管均工作在饱和区边缘提高输出电压摆幅，从而降低电源电压。
In this paper, a phase shifting pulse width modulated (PWM) soft switching high voltage invert power supply has been developed with the use of the principle of advanced invert technique and the new type of power semi-conductor device-Insulated Gate Bipolar Transistor (IGBT).
本文采用最新的逆变思想与新型的开关器件&绝缘栅型双极晶体管（IGBT），研制出了移相式PWM软开关高压逆变电源。