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通用照明市場(chǎng)中的高亮度LED驅(qū)動(dòng)挑戰(zhàn)暨安森美半導(dǎo)體解決方案

摘要：本文以LED驅(qū)動(dòng)為重點(diǎn)，分析了通用照明市場(chǎng)中LED驅(qū)動(dòng)面臨的挑戰(zhàn)，并結(jié)合安森美半導(dǎo)體的高性能LED驅(qū)動(dòng)解決方案，探討了不同的LED驅(qū)動(dòng)應(yīng)用示例，如通過(guò)交流隔離電源為L(zhǎng)ED供電和通過(guò)寬輸入范圍DC-DC電源為L(zhǎng)ED供電等；最后，還介紹了能夠用于需要高可靠性和持續(xù)性的LED應(yīng)用中的安森美半導(dǎo)體LED分流保護(hù)解決方案。 敘詞：高亮度LED LED驅(qū)動(dòng) 通用照明 固態(tài)照明 白光LED Abstract：The author puts his emphasis on LED drive, and analyzes the challenges LED drive is facing in the general lighting market. In connection with the high-performance LED drive scheme from ON Semiconductor, the author then explores many different cases for the application of LED drive, such as supplying power to LED by AC isolation power or by wide input DC-DC power supply. In the end, the author recommends the scheme of ON Semiconductor LED shunt protection which can be applied to the situation where highly reliable and sustainable LED is required. Keyword：HB LED, LED driver, General lighting, Solid state lighting, White LED

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