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LT3090高压应用输出无法可调

		
	
				

			

									
					    gh451
					
							

            
            			
				
									
											
			
			
				
			
			
			    	
			                    
                
				                on Sep 8, 2022 
				
			
			
		

		
		                     
				
        		

		    
		    		    
		    			

			    
参考LT3090数据手册，设计了一个-48V降压到可调-41--46V的电路


 




 


但实际无论SET电阻如何调节输出没有变化，请问会是什么原因？

			

			
									
		                             
                        

    

                                            
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