ICL8001G是Infineon公司的准谐振模式LED驱动器，精密的PWM可用于相位调光，功率因素大于98%，效率高达90%，工作电压高达26V。本文介绍了ICL8001G主要特性和亮点，方框图以及初级控制应用电路图和EVAL-LED-ICL8001G-Bulb02演示板主要特性，电路图，材料清单和变压电路图。
ICL8001G 产品亮点：
o Quasi-Resonant Control For Highly Efficient LED Driving Solutions
o Primary Side Flyback Control With Integrated PFC And Phase-Cut Dimming
o Integrated HV Startup Cell For Short Time To Light
o Best In Class System BOM For Dimmable LED Bulb
ICL8001G主要特性：
o High, stable efficiency over wide operating range
o Optimized for trailing- and leading-edge dimmer
o Precise PWM for primary PFC and dimming control
o Power cell for Vcc pre-charging with constant current
o Built-in digital soft-start
o Foldback correction and cycle-by-cycle peak current limitation
o VCC over/ under-voltage lockout
o Auto restart mode for short circuit protection
o Adjustable latch-off mode for output overvoltage protection
EVAL-LED-ICL8001G-Bulb02演示板
EVAL-LED-ICL8001G-Bulb02 Quasi-Resonant Flyback Converter for Phase Cut Dimming with High Power Factor
The EVAL-LED-ICL8001G-Bulb02 demonstrates the single-stage flyback and PFC controller ICL8001G in an LED Bulb application. Its quasiresonant operation mode, primary side control, integrated PFC and phase-cut dimming control makes it the best in class system solution for dimmable LED bulbs.
EVAL-LED-ICL8001G-Bulb02演示板主要特性：
oHigh, stable efficiency over wide operating range through quasiresonant operation mode
oPrimary side side flyback control with integrated PFC and phase-cut dimming
oEnergy efficient phase cut dimming
oPower cell for VCC pre-charging with constant current
oBuilt-in digital soft-start
oFoldback correction and cycle-by-cycle peak current limitation
oVCC over- and under-voltage lockout
oAuto restart mode for short circuit protection
oAdjustable latch-off mode for output overvoltage protection
oBest in class system BOM for dimmable bulbs
图4。EVAL-LED-ICL8001G-Bulb02演示板电路
EVAL-LED-ICL8001G-Bulb02演示板材料清单（BOM）：
图5。EVAL-LED-ICL8001G-Bulb02演示板变压器电路图
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