| Parameters | 
                                                                                                            
                                        | Supplier Device Package | 48-QFN (6x6) | 
                                                                        
                                        | Base Product Number | IS31FL3733 | 
                                                                        
                                        | RoHS Status | ROHS3 Compliant | 
                                                                        
                                        | Moisture Sensitivity Level (MSL) | 3  (168 Hours) | 
                                                                        
                                        | REACH Status | REACH Unaffected | 
                                                                        
                                        | ECCN | EAR99 | 
                                                                        
                                        | HTSUS | 8542.39.0001 | 
                                                                        
                                        | Other Names | 2521-IS31FL3733A-QFLS4-TR | 
                                                                        
                                        | Standard Package | 2,500 | 
                                                                        
                                        | Mfr | Lumissil Microsystems | 
                                                                        
                                        | Series | - | 
                                                                        
                                        | Package | Tape & Reel (TR) | 
                                                                        
                                        | Product Status | Not For New Designs | 
                                                                        
                                        | Type | Linear | 
                                                                        
                                        | Topology | Constant Current | 
                                                                        
                                        | Internal Switch(s) | Yes | 
                                                                        
                                        | Number of Outputs | 28 | 
                                                                        
                                        | Voltage - Supply (Min) | 2.7V | 
                                                                        
                                        | Voltage - Supply (Max) | 5.5V | 
                                                                        
                                        | Voltage - Output | - | 
                                                                        
                                        | Current - Output / Channel | 42mA | 
                                                                        
                                        | Frequency | 400kHz ~ 1MHz | 
                                                                        
                                        | Dimming | I²C | 
                                                                        
                                        | Applications | General Purpose | 
                                                                        
                                        | Operating Temperature | -40°C ~ 125°C (TA) | 
                                                                        
                                        | Mounting Type | Surface Mount | 
                                                                        
                                        | Package / Case | 48-WFQFN Exposed Pad | 
                                                                                                        
                            
                         
                                                LED Driver IC 28 Output Linear Constant Current I²C Dimming 42mA 48-QFN (6x6)