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curreent sink with constant voltage



		

			

									
					    jasjas
					
							

			
				
									
											
			
			
				
    
			
			
			    	
			                    
                
				                on Feb 18, 2022 
				
			
			
		
    

				
		
    
		    		    
		    
		    	
			
    Hi
    

    can a DCDC act as a sink?
    

    The input to DCDC is 48V.
    

    The output of DCDC is 24V, 2 Amps max.
    

    But the load is connected between 48V and 24V, So the 24V is acting as reference or GND for load.
    

    And then the GND of 48V and 24V is same as in non isolated DCDC.
    

    Will DCDC support that?
    

    Or i need something else?
    
								
    

				
				
		
    
			
						
									
									
						
						
			
			
			
			
		
    

        
        

					
    
			
    


    


	
    
		
	
    















    
	
    
	
    
					



			








	
	
	
	



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      •  Analog Employees  
      
            
			                            
                        
                on Mar 3, 2022 9:20 AM
            
            
					
      
	
      

		
		
      
					
      Hi, we don't usually put the load across the input and output of the power supply. We only do this for regenerative loading wherein the output voltage is greater than the input voltage. If Vout<Vin, then Vo may not regulate to its intended level due to overvoltage protection inherent in the controller. May I know the intended application of this? 
      
			
      

		
		
		
		
	
      
	
      
		
      
			
		
      
	
      
	
      
		
						
				
				
						
				
				
		
		
      
			
		
      
	
      

      

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      •  Analog Employees  
      
            
			                            
                        
                on Mar 3, 2022 9:20 AM
            
            
					
      
	
      

		
		
      
					
      Hi, we don't usually put the load across the input and output of the power supply. We only do this for regenerative loading wherein the output voltage is greater than the input voltage. If Vout<Vin, then Vo may not regulate to its intended level due to overvoltage protection inherent in the controller. May I know the intended application of this? 
      
			
      

		
		
		
		
	
      
	
      
		
      
			
		
      
	
      
	
      
		
						
				
				
						
				
				
		
		
      
			
		
      
	
      

      

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