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LTC3805-5 multiple output by flyback



		

			

									
					    T_yoshi
					
							

			
				
									
											
			
			
				
    
			
			
			    	
			                    
                
				                on Jul 2, 2021 
				
			
			
		
    

				
		
    
		    		    
		    
		    	
			
    Hi team,
    

    

    I am considering 3 or 4 outputs by flyback method.
    

    Is there a circuit diagram or evaluation board that can be used as a reference?
    

    I would like to compare what kind of circuit it will be.
    

    

    Best regards,
    

    T-yoshi
    
								
    

				
				
		
    
			
						
									
									
						
						
			
			
			
			
		
    

        
        

					
    
			
    


    


	















    
	
    
	
    
					



			








	
	
	
	



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      •  Analog Employees  
      
            
			                            
                        
                on Aug 3, 2021 3:40 AM
            
            
					
      
	
      

		
		
      
					
      Hi T-yoshi,
      

      More output windings can be added to the transformer to get other output voltages. However, only the main output with feedback loop would be fully regulated. The other outputs may have 10%-15% regulation.
      

      I can see some dual output examples in our data sheets for parts that support flyback topology. There flyback demo board DC1311A-B available.
      
			
      

		
		
		
		
	
      
	
      
		
      
			
		
      
	
      
	
      
		
						
						
						
						
				
				
		
		
      
			
		
      
	
      

      

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													0
							
			
				
									
							        
			
			
			
      •  Analog Employees  
      
            
			                            
                        
                on Aug 3, 2021 3:40 AM
            
            
					
      
	
      

		
		
      
					
      Hi T-yoshi,
      

      More output windings can be added to the transformer to get other output voltages. However, only the main output with feedback loop would be fully regulated. The other outputs may have 10%-15% regulation.
      

      I can see some dual output examples in our data sheets for parts that support flyback topology. There flyback demo board DC1311A-B available.
      
			
      

		
		
		
		
	
      
	
      
		
      
			
		
      
	
      
	
      
		
						
						
						
						
				
				
		
		
      
			
		
      
	
      

      

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