| Parameters | 
                                    
                                                                                                            
                                        | Frequency | 
                                        1MHz | 
                                    
                                                                        
                                        | Dimming | 
                                        Analog, PWM | 
                                    
                                                                        
                                        | Applications | 
                                        Backlight | 
                                    
                                                                        
                                        | Operating Temperature | 
                                        -40°C ~ 125°C (TJ) | 
                                    
                                                                        
                                        | Mounting Type | 
                                        Surface Mount | 
                                    
                                                                        
                                        | Package / Case | 
                                        28-TSSOP (0.173", 4.40mm Width) Exposed Pad | 
                                    
                                                                        
                                        | Supplier Device Package | 
                                        28-HTSSOP | 
                                    
                                                                        
                                        | Base Product Number | 
                                        LM3431 | 
                                    
                                                                        
                                        | RoHS Status | 
                                        RoHS non-compliant | 
                                    
                                                                        
                                        | Moisture Sensitivity Level (MSL) | 
                                        1  (Unlimited) | 
                                    
                                                                        
                                        | REACH Status | 
                                        REACH Affected | 
                                    
                                                                        
                                        | ECCN | 
                                        EAR99 | 
                                    
                                                                        
                                        | HTSUS | 
                                        8542.39.0001 | 
                                    
                                                                        
                                        | Standard Package | 
                                        2,500 | 
                                    
                                                                        
                                        | Mfr | 
                                        National Semiconductor | 
                                    
                                                                        
                                        | Series | 
                                        Automotive, AEC-Q100 | 
                                    
                                                                        
                                        | Package | 
                                        Bulk | 
                                    
                                                                        
                                        | Product Status | 
                                        Active | 
                                    
                                                                        
                                        | Type | 
                                        DC DC Controller | 
                                    
                                                                        
                                        | Topology | 
                                        Step-Up (Boost) | 
                                    
                                                                        
                                        | Internal Switch(s) | 
                                        No | 
                                    
                                                                        
                                        | Number of Outputs | 
                                        3 | 
                                    
                                                                        
                                        | Voltage - Supply (Min) | 
                                        4.5V | 
                                    
                                                                        
                                        | Voltage - Supply (Max) | 
                                        36V | 
                                    
                                                                        
                                        | Voltage - Output | 
                                        5.5V ~ 40V | 
                                    
                                                                        
                                        | Current - Output / Channel | 
                                        200mA | 
                                    
                                                                                                        
                            
                         
                                                LED Driver IC 3 Output DC DC Controller Step-Up (Boost) Analog, PWM Dimming 200mA 28-HTSSOP