Products In This Thread

LTC3601 Production
The LTC3601 is a high efficiency, monolithic synchronous buck regulator using a phase-lockable controlled on-time, current mode architecture capable of...
Datasheet
LTC3601 on Analog.com

  • State Verified Answer
  • Replies 1 reply
  • Subscribers 39 subscribers
  • Views 718 views
  • Users 0 members are here
Options
Related 

        

            Post
             Go back to editing
        

    

    


    

    









		












	
	
			
	
			
		
	
	
		

		
LTC3601 switching reg issue



		

			

									
					    oyz
					
							

			
				
									
											
			
			
				
    
			
			
			    	
			                    
                
				                on Jul 5, 2019 
				
			
			
		
    

				
		
    
		    		    
		    
		    	
			
    Hi,
    

    We are testing 5 sets of PCB containing 2 LTC3601EMSE ICs each.
    

    One of them seems burn out during out long term test. 
     The test was signaling to pin 12(RUN, 3.3V) 6-hour on-and-off every 3 sec.
    

    It was hot and output 0V when it was out-of-order.
    

    Note that pin 6 (INTVCC) output 5V when it comes to out-of-order. It should out 3.3V.
    

    I want to get advised relating our schematics in terms of safty and protection.
    

    

    Thanks,
    

    jo
    

    

    

     
    
										

    
				edited title
    
[edited by: JValeriani at 7:18 PM (GMT 0) on 8 Jul 2019]