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EEPW首頁(yè) > 光電顯示 > 設計應用 > 安森美半導體LED驅動(dòng)方案

安森美半導體LED驅動(dòng)方案

作者: 時(shí)間:2012-11-30 來(lái)源:網(wǎng)絡(luò ) 收藏

在光輸出、能效及成本方面得到了全面改善,同時(shí)具備了小巧、低壓工作及環(huán)保等眾多優(yōu)勢,應用范圍也在不斷拓寬。未來(lái),照明在通用照明、LCD背光、汽車(chē)照明等領(lǐng)域的增長(cháng)前景尤為可觀(guān)。提供豐富的驅動(dòng)器產(chǎn)品,可滿(mǎn)足各種LED照明應用需求。

本文引用地址:http://dyxdggzs.com/article/199922.htm

方案特性:

LEDs are replacing traditional incandescent and halogen lighting sources in architectural, industrial, residential and the transportation lighting. The key challenge in powering LED’s is providing a constant current source. The evaluation board for the NCP3065/NCV3065 can be easily configured for a variety of constant current buck and boost

LED driver applications.

It describes a DC−DC converter circuits that can easily be configured to drive LEDs at several different output currents and can be configured for either AC or DC input. The NCP3065/NCV3065 can be configured in a several driver topologies to a drive string of LEDs: be it traditional low power LEDs or high brightness high power LEDs such as the Lumileds Luxeonâ K2 and Rebel series, the CREE XLAMPâ 4550 or XR series, the OSRAM OSTARâ, TopLEDâ and Golden Dragonâ.

方案原理圖:

參照PCB圖:



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