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首页> 外文期刊>Industrial Electronics Magazine, IEEE >An Innovative Integration Technique of a Capacitor-Free Single-Inductor, Multiple-Output LED Driver [Industry Forum] DcuFFFDdc light-emitting diode (LED)
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An Innovative Integration Technique of a Capacitor-Free Single-Inductor, Multiple-Output LED Driver [Industry Forum] DcuFFFDdc light-emitting diode (LED)

机译：无电容单电感多输出LED驱动器的创新集成技术[行业论坛] DcuFFFDdc发光二极管（LED）

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摘要

drivers today are based more on integrated circuits (ICs). A steady replacement of discrete drivers with their IC counterparts has led to higher reliability, lower costs, and increased functionality. Modern dc?dc LED drivers are therefore typically a mixture of several discrete externals and a key IC. The trend toward even full integration is revealed by a recently presented capacitor-free single-inductor, multiple-output (SIMO) dc?dc LED driver [3]. This article reports on the integration challenges of these fully integrated devices and discusses the necessary high-voltage, double-diffused metal-oxide semiconductor (DMOS) field-effect transistors compared to the standard laterally DMOSs (LDMOSs) to preserve isolated LED strings without passive external components at dc supply voltages of up to 60 V.
机译：当今的驱动程序更多地基于集成电路（IC）。用分立驱动器稳定替换分立驱动器已导致更高的可靠性，更低的成本和更多的功能。因此，现代dc-dc LED驱动器通常是几个分立的外部元件和一个关键IC的混合体。最近提出的无电容器单电感，多输出（SIMO）dc-dc LED驱动器[3]揭示了甚至实现完全集成的趋势。本文报告了这些完全集成器件的集成挑战，并讨论了与标准横向DMOS（LDMOS）相比，必要的高压双扩散金属氧化物半导体（DMOS）场效应晶体管，以保持隔离的LED串而无源直流电源电压高达60 V的外部组件。

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