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.
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