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首页> 外文会议>The Second International Symposium on Test Automation Instrumentation(ISTAI'2008)(第二届国际自动化测试与仪器仪表学术会议)论文集 >Research on Application of LED Lighting Based on HA220P Series Constant Current Source Chip
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Research on Application of LED Lighting Based on HA220P Series Constant Current Source Chip

机译：基于HA220P系列恒流源芯片的LED照明应用研究

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摘要

LED lighting is a novel light source rapidly boomed in recent years. For its advantages of energy saving and environment protecting, it is honored as the third lighting revolution of human being. Newly emerged light sources adopting LED as main light emitting elements are applied everywhere, and they are widely used in such fields as the background light of mobile phone, digital camera, LCD TV, and in the fields of the traffic signal lamp etc. Thus, the constant current sourced driving technique of LED becomes the principal concerns of LED lighting. HA220P series constant current source chips are ratified by industries because of their features such as small volume, wide operation voltage range and particular enabling terminal. Starting with the typical application of the chip and the use of its enabling terminal, this paper emphatically analyses how to make use of this chip for driving various LED energy saving lamp.
机译：LED照明是近年来迅速兴起的新型光源。由于其节能环保的优点，被誉为人类的第三次照明革命。以LED为主要发光元件的新兴光源无处不在，广泛应用于手机，数码相机，LCD TV的背景灯以及交通信号灯等领域。 LED恒流源驱动技术成为LED照明的主要关注点。 HA220P系列恒流源芯片具有体积小，工作电压范围宽，使能端子特殊等特点，受到了业界的认可。从芯片的典型应用及其使能端子开始，本文着重分析了如何利用该芯片来驱动各种LED节能灯。

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