基于 UC3842 的多输出开关电源设计 关键词：电流型 PWM；UC3842；反激式开关电源 [gap=818]Key words: current PWM; UC3842; flyback switch power
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single-ended flyback switch power supply 单端反激式开关电源
flyback switch power supply 反激式开关电源
single-ended flyback switch power 单端反激式开关电源
flyback switch mode power supply 反激式开关电源
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.
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。
However, due to leakage effects flyback converter power switch off when the voltage spike caused by the need to be inhibited by clamping circuit.
然而，由于漏感影响，反激变换器功率开关管关断时将引起电压尖峰，必须用钳位电路加以抑制。
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。
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