具有超低待机电流的1单元升压转换器

2004 Proceedings of the 16th International Symposium on Power Semiconductor Devices and ICs Pub Date : 2004-05-24 DOI:10.1109/WCT.2004.239753

H. Suzuki, H. Kobayashi, J. Knight

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引用次数: 0

摘要

本文介绍了一种针对便携式电池供电系统进行了高度优化的升压变换器的设计。该转换器采用两种不同的体系结构。一种是先进的门控振荡器结构，在100 /spl mu/A输出电流下实现80%的效率。另一种准pwm模式基于自适应恒定导通时间架构，但它能在大输出负载下实现恒定的开关频率。根据输出负载的不同，选择两种结构中的一种，可以实现高效率和良好的调节。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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1 cell boost-up converter with ultra low stand-by current

This paper presents the design of a boost converter which is highly optimized for battery-operated portable systems. This converter employs two different architectures. One is an advanced gated oscillator architecture which achieves 80% efficiency at 100 /spl mu/A output current. Another quasi-PWM mode is based on an adaptive constant on-time architecture, but it enables a constant switching frequency at heavy output load. By selecting one of these two architectures, according to the output load, high efficiency and good regulation are achieved.

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2004 Proceedings of the 16th International Symposium on Power Semiconductor Devices and ICs

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