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首页> 外文会议>Twenty-Eighth Annual IEEE Applied Power Electronics Conference and Exposition >Design of integrated POL DC-DC converters based on two-stage architectures
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Design of integrated POL DC-DC converters based on two-stage architectures

机译：基于两级架构的集成POL DC-DC转换器设计

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Due to the functionality increase of modern battery-powered portable devices such as PDAs, smart phones, and notebooks etc., the battery life is an important issue. An efficient voltage regulator (VR) is a must if we need to extend the battery life. For this purpose, this paper discusses the employment of two-stage architecture on the design of point-of-load (POL) Dc-Dc converters. At first, the paper discusses the benefits of replacing the conventional one-stage buck converter by an integrated two-stage step-down converter. The design aspects of a two-stage 6V-to-1V converter are shown as an example to clarify the benefits of the design over one-stage approach. The results show that efficiency of two-stage converter is higher than the one-stage approach in addition to size and cost reduction. Then, the benefits of replacing boost converters by integrated two-stage step-up converters are discussed followed by a design example for two-stage step-up converter from 3.6V-to-12V. The results show that the two-stage approach increases the efficiency of the converter in addition to the benefits from stability point of view.
机译：由于现代电池供电的便携式设备（如PDA，智能电话和笔记本电脑等）功能的增强，电池寿命成为一个重要问题。如果我们需要延长电池寿命，则必须使用高效的稳压器（VR）。为此，本文讨论了在负载点（POL）Dc-Dc转换器的设计中采用两阶段体系结构的问题。首先，本文讨论了用集成的两级降压转换器代替传统的一级降压转换器的好处。以两级6V至1V转换器的设计方面为例，以阐明该设计相对于单级方法的好处。结果表明，除了减小尺寸和降低成本外，两级转换器的效率也比一级方法高。然后，讨论了用集成的两级升压转换器代替升压转换器的好处，然后讨论了3.6V至12V的两级升压转换器的设计实例。结果表明，除了从稳定性的角度来看，两步法还提高了转换器的效率。

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