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          EEPW首頁 
	 > 電源與新能源 > 設(shè)計應(yīng)用 > 基于ICL8001G設(shè)計的準(zhǔn)諧振模式LED驅(qū)動技術(shù)
          
    
          

          

          


	
	
	

          
	
          
		
          
			
          基于ICL8001G設(shè)計的準(zhǔn)諧振模式LED驅(qū)動技術(shù)
          
						
          
				作者：
				時間：2010-08-25
				來源：網(wǎng)絡(luò)

				
				
				
				
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          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：

          •High, stable efficiency over wide operating range through quasiresonant operation mode

          •Primary side side flyback control with integrated PFC and phase-cut dimming

          •Energy efficient phase cut dimming

          •Power cell for VCC pre-charging with constant current

          •Built-in digital soft-start

          •Foldback correction and cycle-by-cycle peak current limitation

          •VCC over- and under-voltage lockout

          •Auto restart mode for short circuit protection

          •Adjustable latch-off mode for output overvoltage protection

          •Best in class system BOM for dimmable bulbs


          圖3。EVAL-LED-ICL8001G-Bulb02演示板外形圖


          圖4。EVAL-LED-ICL8001G-Bulb02演示板電路
          EVAL-LED-ICL8001G-Bulb02演示板材料清單（BOM）：
          
				
            
                
			
							
          
                
			            
                            
              
            
          
		
          
		
          
		
          
		
          
		
          
			
            
				
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