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LT8610's SYNC pin



		

			

									
						nrsk
					
							

			
				
									
											
			
			
				
    
			
			
			    	
			                    
                
				                on Jan 28, 2021 
				
			
			
		
    

				
		
    
		    		    
		    
		    	
			
    Hello,

    Is it possible to input the pulse signal (0V / 3.3V) to the SYNC pin before powering on LT8610 (VCC = 0V)?

    The maximum rating for the SYNC pin is 6V.

    Best regards,
    
										

    
				How many amperes does the current flow when 3.3V is input to the SYNC pin without powering on LT8610(VCC=0V)? 
    
[edited by: nrsk at 4:34 AM (GMT -5) on 1 Feb 2021]
				
    
					
    

				
				
		
    
			
						
									
									
						
						
			
			
			
			
		
    

					
    
			
    


    

	
    
		
	
    















    
	
    
	
    
					



			








	
	
	
	



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													+1
							
			
				
									
							        
			
			
			
      •    
      
            
			                            
                        
                on Feb 1, 2021 8:41 PM
            
            
					
      
	
      

		
		
      
					
      Hello,
      

      

      Thanks for application of LT8610.
      

      Yes, it should be good to have the input pulse signal 0V/3.3V to the SYNC before power-on.
      

      The SYNC pin has a max rating voltage of 6V, and it is strongly recommended to not exceed this rating voltage.
      

      

      In this case, the typical Vin quiescent current is 1uA.
      

      

      Best regards,
      

      Andrew
      
			
      

		
		
		
		
	
      
	
      
		
      
			
		
      
	
      
	
      
		
						
				
						
						
				
				
		
		
      
			
		
      
	
      

      

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													+1
							
			
				
									
							        
			
			
			
      •    
      
            
			                            
                        
                on Feb 1, 2021 8:41 PM
            
            
					
      
	
      

		
		
      
					
      Hello,
      

      

      Thanks for application of LT8610.
      

      Yes, it should be good to have the input pulse signal 0V/3.3V to the SYNC before power-on.
      

      The SYNC pin has a max rating voltage of 6V, and it is strongly recommended to not exceed this rating voltage.
      

      

      In this case, the typical Vin quiescent current is 1uA.
      

      

      Best regards,
      

      Andrew
      
			
      

		
		
		
		
	
      
	
      
		
      
			
		
      
	
      
	
      
		
						
				
						
						
				
				
		
		
      
			
		
      
	
      

      

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