文中介绍了NCP1205的工作原理和主要特点,并将其应用于交错并联反激电路中,大大减小了开关管的开通损耗,减小了输出电压纹波,提高了电路效率。
NCP1205 is applied to the interleaving paralleled backward circuit to reduce the switch tube power loss and output voltage ripple, to enhense the circuit efficiency.
反激式开关变压器和反馈控制回路设计,以及考虑电磁兼容性对电路的改进,是其关键技术。
The design of flyback switching transformer and feedback control loop and the improvement of the circuit for considering electromagnetic compatibility are the critical technologies.
在设计中,以TL 494作为PWM产生电路输出控制信号,控制开关管的导通状况,在半桥反激式输出的基础上实现了电源的多路输出。
In the design, to produce circuit TL494 as a PWM output control signals, control of the on-switch situation, the half-bridge flyback output on the basis of the power of multi-output.
设计一种基于反激式同轴多绕组输出均衡电路,实现对多个串联单体的快速有效均衡。
One kind of equalization circuit based on CWT (coaxial windings transformer) was designed to achieve the destination of fast equalization on series connected ultra capacitors.
介绍了一种反激式变换器零电压关断缓冲电路,同时分析了其工作原理。最后简要地介绍一下其设计方法。
An introduction to a type of lossless snubber circuit applicable to flyback converter was given, and its working principles were analyzed.
但如果设计反激有源箝位电路工作在电流连续模式,控制占空比,使输入电流跟随输入电压,可以提高输入功率因数。
However if the active clamp flyback converter is designed to operate in CCM, and the duty cycle is controlled to make the input current track input voltage, the input power factor can be improved.
采用反激式直流变换型电路,具有四路输出而总元件数仅55个。
Four different levels of output are provided while only 55 elements, including transistors, resistances and capacitors, are used.
选择了反激式开关电源作为高压电源的主电路,并以555脉冲控制电路和反激式驱动电路作为辅助电路。
The flyback mode switch power supply is chosen as the main circuit of the high voltage power in the paper with 555 pulse control circuit and flyback drive circuit.
选择了反激式开关电源作为高压电源的主电路,并以555脉冲控制电路和反激式驱动电路作为辅助电路。
The flyback mode switch power supply is chosen as the main circuit of the high voltage power in the paper with 555 pulse control circuit and flyback drive circuit.
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