This circuit has both characters of restricting the current within the giving value and limiting the switching frequency of MOSFET operating on current limited condition.
该电路具有既能将负载电流限制在设定值以内，又能控制限流工作时功率管的开关频率等特点。
Then we improve the circuit of the experiment based on the conclusion, make the current and voltage better using of the technology of soft switching and series resonance.
然后，在这一结论的基础上对原先的实验电路进行了结构的优化，使用软开关技术与谐振技术使输出电压、电流满足电源系统的基本要求。
Two main problems in designing the main circuit of switching mode excitation controller are peek voltage and over current of switching device.
开关式励磁调节器主回路设计中需要考虑的两个主要问题是开关器件的尖峰电压和冲击电流。
In this paper, by the use of dual-current control mode and intelligent UC3842 chip as the core, a single-chip switching power supply circuit are presented.
本文使用双电流控制模式，以智能芯片uc 3842为核心，设计了单片开关电源的实用电路。
This paper describes its advantages, introduces the current - mode control integrated device for switching power supply, and gives a experimental circuit.
本文就其优点作了叙述；对开关电源电流型控制集成器件作了简介；并给出试验电路。
Introduction is made to the control circuit with adoption of DJ1 current switching device's circuit, as well as analysis.
介绍了在控制电路中，采用DJ 1电流转换装置的线路图，并进行了分析。
Its catch diode current sense (DA pin) protects the circuit during input voltage transients even at high switching frequencies.
其箝位二极管电流检测(da引脚)甚至在高开关频率的输入电压瞬态时也能保护电路。
The design of the filter circuit, starting current check circuit and switching surge absorption-protection circuit in an auxiliary circuit of PFC is analyzed.
对功率因数校正器辅助电路中的滤波电路设计、起动电流抑制电路的设计和开关的浪涌吸收保护电路的设计进行了分析。
This module uses a circuit topology of forward pulse width modulated - zero current quasi - resonance soft - switching , combined with active clamp technology.
该变换器电路结构上采用正激一零电流准谐振软开关电路拓扑结构，并结合了有源钳位技术；
This circuit is simple with minimum components, and has the soft - switching effect which make the only one switch in the circuit is turned on with zero current and turned off at zero voltage.
电路中只使用了一个开关管以及最少的元件，但却获得了开关器件零电流开通和零电压关断的效果。
This paper introduces the features, design principal and typical application circuit of switching power supply MAX1623 with large current output.
本文介绍大电流输出的开关电源芯片MAX1623的特点，设计原理和典型应用电路。
The disturbance resistant of LH coil and the circuit structure of analogue electronic switching matrix, integrator, direct current detector are especially studied.
重点探讨了lh线圈的抗干扰方法及模拟开关阵列、积分器、直流检出器的电路结构。
By using an active clamp circuit, the power transformer core is symmetrically reset. Zero voltage switching conditions are achieved over a broad input voltage and output current range.
利用有源钳位电路实现主变压器铁心对称复位，功率开关在宽输入电压和宽负载电流范围内零电压开关。
Receiving the third signal and based on a reference voltage, the switching circuit controls the pulse wave width of the switching signal so as to adjust output current of the power converter.
切换电路接收第三讯号并依据一参考电压，以控制切换讯号的脉波宽度，所以可调整功率转换器的输出电流。
For the use of off-line switching mode power supply IC, an internal power supply circuit combining with a high voltage startup current source is proposed.
结合高压启动恒流源设计了一种用于离线式开关电源的内部电源电路。
This paper mainly introduces test methods of synthetic test and direct test for capacitive current switching for ultra-high-voltage(UHV) circuit breakers.
主要介绍特高压断路器容性电流开合试验方法——合成试验法和直接试验法。
The question of earthing switch(ES) switching induced current was present in this paper, the feature of static and electromagnetism induction of common-tower double-circuit lines was also present.
对接地开关开合感应电流的问题，同杆双回线路电磁感应和静电感应的特点，以及我国接地开关开合感应电流的应用现状和国内产品情况进行了介绍。
The grounding current EMI is caused by charging and discharging of the parasitic capacitances between the circuit and ground during the switching instant devices.
地电流干扰主要是由于半导体器件开关动作产生的快速上升和下降的开关电压作用在对地电容上产生的位移电流形成的。
The fixed switching frequency current tracing control is adopted in high frequency bridge, so the control circuit is simple.
高频桥采用恒频电流跟踪控制，控制电路简单。
The switching circuit sources and sinks current with respect to the paging speaker load.
开关电路对寻呼扬声器负载发送和接收电流。
A power converter circuit (3) drives a switching device by the pulse-width modulated wave for converting a direct current into the three phase alternating current.
电力变换器主电路部（3），其根据该脉冲宽度调制波对开关元件进行驱动，将直流电压转换为三相交流电压；
The question of earthing switch switching induced current was present in this paper, the feature of static and electromagnetism induction of common-tower double-circuit lines was also present.
对接地开关开合感应电流的问题，同杆双回线路电磁感应和静电感应的特点，以及我国接地开关开合感应电流的应用现状和国内产品情况进行了介绍。
A novel zero-voltage and zero-current switching (ZVZCS) three-level converter, and the drive circuit of the transistor were analyzed.
分析了一种新颖的零电压零电流(ZVZCS)开关之电平变换器，以及功率晶体管的驱动电路。
The power supply adopts zero-current half-bridge soft switching circuit, featuring high efficiency, fast response and easy matching for laser tubes produced by various manufacturers.
本电源采用零电流半桥软开关电路，使电源具有效率高，响应速度快的特点，很容易配合各种厂家的激光管。
The power supply adopts zero-current half-bridge soft switching circuit, featuring high efficiency, fast response and easy matching for laser tubes produced by various manufacturers.
本电源采用零电流半桥软开关电路，使电源具有效率高，响应速度快的特点，很容易配合各种厂家的激光管。
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