On Semi NCL30030 150W LED驱动器参考设计
On Semi公司的NCL30030集成了功率因子修正(PFC)和准谐振反激功能,实现紧凑和高效LED驱动器,以满足高性能LED照明的需要.工作范围9-30V,内置过压保护,主要用在大功率LED驱动器,商用LED灯,LED标识电源,适配器,开架电源和LED电子控制装置.本文介绍了NCL30030主要特性,框图, 应用电路,以及150W高性能LED驱动器评估板主要特性,电路图,材料清单和PCB设计图,元件布局图.
This combination IC integrates power factor correction (PFC) and quasi−resonant flyback functionality necessary to implement a compact and highly efficient LED driver for high performance LED lighting applications.
The PFC stage utilizes a proprietary multiplier architecture to achieve low harmonic distortion and near−unity power factor while operating in a Critical Conduction Mode (CrM). The circuit incorporates all the features necessary for building a robust and compact PFC stage while minimizing the number of external components.
The quasi−resonant current−mode flyback stage features a proprietary valley−lockout circuitry, ensuring stable valley switching.
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