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ADP7118做两级稳压有时候不工作

		
	
				

			

									
					    wenwu
					
							

            
            			
				
									
											
			
			
				
			
			
			    	
			                    
                
				                on Dec 12, 2024 
				
			
			
		

		
		                     
				
        		

		    
		    		    

		      		            		        
Category: Hardware

    		        		            		    
Product Number:  ADP7118  

    		        		    		    

		    		    
		    			

			    
第一级是6-6.8V转5V，用ADP7118-2.5，100%正常，输出5V；第二级5V转2.5V，很大概率只输出0.58V，小概率输出2.5V，用的是ADP7118-2.5，这是为什么？原理图如图所示 

			

			
									
		                             
                        

    

                                            
                 hardware
                
                                                    
                 LDO Linear Regulators
                
                                                    
                 Positive Linear Regulators (LDO)
                
                                                    
                 adp7118
                
                                
            

    
    
		


				
				        
        		

			
						
									
												
			
			
                        
                                    
                        
                        
                        
            
			            
						
						
			
			
			
			
		


        
        
        
    
					

			





















	

	

					



			


				
	









	




	
			








		

		

			
    
				
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