| Parameters | 
                                                                                                                        
                                                | Mfr | ams OSRAM | 
                                                                                    
                                                | Series | - | 
                                                                                    
                                                | Package | Tape & Reel (TR) | 
                                                                                    
                                                | Product Status | Obsolete | 
                                                                                    
                                                | Type | Linear | 
                                                                                    
                                                | Topology | - | 
                                                                                    
                                                | Internal Switch(s) | No | 
                                                                                    
                                                | Number of Outputs | 12 | 
                                                                                    
                                                | Voltage - Supply (Min) | 4.5V | 
                                                                                    
                                                | Voltage - Supply (Max) | 5.5V | 
                                                                                    
                                                | Voltage - Output | - | 
                                                                                    
                                                | Current - Output / Channel | - | 
                                                                                    
                                                | Frequency | - | 
                                                                                    
                                                | Dimming | SPI | 
                                                                                    
                                                | Applications | Backlight | 
                                                                                    
                                                | Operating Temperature | - | 
                                                                                    
                                                | Mounting Type | Surface Mount | 
                                                                                    
                                                | Package / Case | 48-QFN | 
                                                                                    
                                                | Supplier Device Package | 48-QFN | 
                                                                                    
                                                | Base Product Number | AS3821 | 
                                                                                    
                                                | Moisture Sensitivity Level (MSL) | 3  (168 Hours) | 
                                                                                    
                                                | REACH Status | REACH Unaffected | 
                                                                                    
                                                | ECCN | EAR99 | 
                                                                                    
                                                | HTSUS | 8542.39.0001 | 
                                                                                    
                                                | Other Names | 187320020 | 
                                                                                    
                                                | Standard Package | 4,000 | 
                                                                                                                
                                
                             
                                                LED Driver IC 12 Output Linear SPI Dimming 48-QFN