| Parameters | 
                                                                                                                        
                                                | Mfr | Analog Devices Inc. | 
                                                                                    
                                                | Series | - | 
                                                                                    
                                                | Package | Tube | 
                                                                                    
                                                | Product Status | Obsolete | 
                                                                                    
                                                | Type | DC DC Controller | 
                                                                                    
                                                | Topology | Step-Down (Buck), Step-Up (Boost) | 
                                                                                    
                                                | Internal Switch(s) | No | 
                                                                                    
                                                | Number of Outputs | 1 | 
                                                                                    
                                                | Voltage - Supply (Min) | 4V | 
                                                                                    
                                                | Voltage - Supply (Max) | 60V | 
                                                                                    
                                                | Voltage - Output | 0V ~ 60V | 
                                                                                    
                                                | Current - Output / Channel | - | 
                                                                                    
                                                | Frequency | 150kHz ~ 650kHz | 
                                                                                    
                                                | Dimming | Analog, PWM | 
                                                                                    
                                                | Applications | Automotive, Lighting | 
                                                                                    
                                                | 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-TSSOP-EP | 
                                                                                    
                                                | Base Product Number | LT8391 | 
                                                                                    
                                                | Moisture Sensitivity Level (MSL) | 1  (Unlimited) | 
                                                                                    
                                                | ECCN | OBSOLETE | 
                                                                                    
                                                | HTSUS | 0000.00.0000 | 
                                                                                    
                                                | Standard Package | 1 | 
                                                                                                                
                                
                             
                                                LED Driver IC 1 Output DC DC Controller Step-Down (Buck), Step-Up (Boost) Analog, PWM Dimming 28-TSSOP-EP