| Parameters | 
                                
                                                                                                            
                                            | Mfr | 
                                            National Semiconductor | 
                                        
                                                                            
                                            | Series | 
                                            - | 
                                        
                                                                            
                                            | Package | 
                                            Bulk | 
                                        
                                                                            
                                            | Product Status | 
                                            Active | 
                                        
                                                                            
                                            | Type | 
                                            DC DC Regulator | 
                                        
                                                                            
                                            | Topology | 
                                            Step-Down (Buck) | 
                                        
                                                                            
                                            | Internal Switch(s) | 
                                            Yes | 
                                        
                                                                            
                                            | Number of Outputs | 
                                            1 | 
                                        
                                                                            
                                            | Voltage - Supply (Min) | 
                                            6V | 
                                        
                                                                            
                                            | Voltage - Supply (Max) | 
                                            75V | 
                                        
                                                                            
                                            | Voltage - Output | 
                                            73V | 
                                        
                                                                            
                                            | Current - Output / Channel | 
                                            1A | 
                                        
                                                                            
                                            | Frequency | 
                                            1MHz | 
                                        
                                                                            
                                            | Dimming | 
                                            PWM | 
                                        
                                                                            
                                            | Applications | 
                                            Automotive, Lighting | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            -40°C ~ 125°C (TJ) | 
                                        
                                                                            
                                            | Mounting Type | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Package / Case | 
                                            8-PowerSOIC (0.154", 3.90mm Width) | 
                                        
                                                                            
                                            | Supplier Device Package | 
                                            8-SO PowerPad | 
                                        
                                                                            
                                            | Base Product Number | 
                                            LM3404 | 
                                        
                                                                            
                                            | HTSUS | 
                                            0000.00.0000 | 
                                        
                                                                            
                                            | Standard Package | 
                                            1 | 
                                        
                                                                                                    
                            
                         
                                                LED Driver IC 1 Output DC DC Regulator Step-Down (Buck) PWM Dimming 1A 8-SO PowerPad