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首页> 外文期刊>IEEE Transactions on Circuits and Systems. 1 >Class D current-driven transformer center-tapped controllable synchronous rectifier
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Class D current-driven transformer center-tapped controllable synchronous rectifier

机译:D类电流驱动变压器中心抽头可控同步整流器

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We present analysis and experimental results for a phase-controlled, synchronous, transformer center-tapped rectifier. The rectifier is driven by a resonant inverter. A digital control adjusts the phase in the driver of the rectifier MOSFET's. The output voltage is regulated while maintaining a 94% maximum and a 80% minimum efficiency for a 30% line swing, and 50% efficiency for a load swing of 400% from full power. Experimental results are presented for a 10 W rectifier with an output voltage of 3.3 V. Theoretical calculations agreed well with the experimental results, with certain deviations due to the nonidealities of the transformer. The center-tapped topology allows for high efficiency even at 3.3 V and simplifies the control design, providing simple regulation.
机译:我们介绍了相控,同步,变压器中心抽头整流器的分析和实验结果。整流器由谐振逆变器驱动。数字控制可调整整流MOSFET驱动器中的相位。调节输出电压时,对于30%的线路摆幅,保持最大效率为94%,最小为80%;对于满功率时400%的负载摆幅,则保持50%的效率。给出了输出电压为3.3 V的10 W整流器的实验结果。理论计算与实验结果非常吻合,但由于变压器的非理想性而存在一定偏差。中心抽头的拓扑结构即使在3.3 V电压下也可实现高效率,并简化了控制设计,提供了简单的调节。

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