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          EEPW首頁 
	 > 模擬技術(shù) > 設(shè)計應(yīng)用 > Boost driver for long LED strings
          
    
          

          

          


	
	
	

          
	
          
		
          
			
          Boost driver for long LED strings
          
						
          
				作者：
				時間：2010-05-15
				來源：網(wǎng)絡(luò)
				
				
				
				
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          Figure 6. Drain voltage and current-sense resistor voltage (50mΩ).

          Figure 7. Drain voltage risetime.
          Figure 7. Drain voltage risetime.

          Figure 8. Output voltage (AC coupled) and sense-resistor voltage.
          Figure 8. Output voltage (AC coupled) and sense-resistor voltage.

          Figure 9. High dimming ratio (on-time < 4µs).
          Figure 9. Figure 9. High dimming ratio (on-time  4µs).

          Figure 10. Inductor temperature rise. The calculator is available from Coilcraft®.          
				
            
                
			
							
          
                
			            
                            
              
            
          
		
          
		
          
		
          
		
          
		
          
			
            
				
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