| Parameters | 
                                                                                                            
                                        | Mfr | Lumissil Microsystems | 
                                                                        
                                        | Series | - | 
                                                                        
                                        | Package | Tape & Reel (TR) | 
                                                                        
                                        | Product Status | Active | 
                                                                        
                                        | Type | Linear | 
                                                                        
                                        | Topology | Constant Current | 
                                                                        
                                        | Internal Switch(s) | Yes | 
                                                                        
                                        | Number of Outputs | 24 | 
                                                                        
                                        | Voltage - Supply (Min) | 4.5V | 
                                                                        
                                        | Voltage - Supply (Max) | 28V | 
                                                                        
                                        | Voltage - Output | - | 
                                                                        
                                        | Current - Output / Channel | 39.6mA | 
                                                                        
                                        | Frequency | - | 
                                                                        
                                        | Dimming | PWM | 
                                                                        
                                        | Applications | General Purpose | 
                                                                        
                                        | Operating Temperature | -40°C ~ 125°C (TA) | 
                                                                        
                                        | Mounting Type | Surface Mount | 
                                                                        
                                        | Package / Case | 48-WFQFN Exposed Pad | 
                                                                        
                                        | Supplier Device Package | 48-QFN (6x6) | 
                                                                        
                                        | Base Product Number | IS31FL3748 | 
                                                                        
                                        | RoHS Status | ROHS3 Compliant | 
                                                                        
                                        | Moisture Sensitivity Level (MSL) | 3  (168 Hours) | 
                                                                        
                                        | REACH Status | REACH Unaffected | 
                                                                        
                                        | ECCN | EAR99 | 
                                                                        
                                        | HTSUS | 8542.39.0001 | 
                                                                        
                                        | Other Names | 2521-IS31FL3748-QFLS4-TRDKR | 
                                                                        
                                        | Standard Package | 2,500 | 
                                                                                                        
                            
                         
                                                LED Driver IC 24 Output Linear Constant Current PWM Dimming 39.6mA 48-QFN (6x6)