时间:2012-06-26 10:00:01 作者:Infineon 来源:ICL8001G
Infineon公司的ICL8001G采用准谐振工作模式的单级反激和PFC控制器,功率因素大于98%,LED驱动器效率高达90%,工作电压高达26V,内置数字软起动,初级PFC和调光控制采用精密的PWM.本文介绍了ICL8001G产品亮点和主要特性,方框图,应用电路以及评估板EVAL-LED-ICL8001G-Bulb02特性,电路图,材料清单和变压器电路图.
The ICL8001G employs quasi-resonant operation mode optimized for off-line LED lighting, especially dimmable LED bulbs for incandescent lamp replacement. Precise PWM generation enables primary control for phase cut dimming and high power factor PF>98%. Significant improved driver efficiency, up to 90%, compared to other conventional solutions. The product has a wide operation range (up to 26V) of IC voltage supply and lower power consumption. Multiple safety functions ensure a full system protection in failure situations. With its full feature set and simple application, the ICL8001G represents an outstanding choice for quasi-resonant flyback LED bulb designs combining feature set and performance at minimum BOM cost.
ICL8001G产品亮点:
• Quasi-Resonant Control For Highly Efficient LED Driving Solutions
• Primary Side Flyback Control With Integrated PFC And Phase-Cut Dimming
• Integrated HV Startup Cell For Short Time To Light
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