| Parameters | 
                                                                                                                        
                                                | Mfr | ams OSRAM | 
                                                                                    
                                                | Series | - | 
                                                                                    
                                                | Package | Tape & Reel (TR) | 
                                                                                    
                                                | Product Status | Obsolete | 
                                                                                    
                                                | Type | DC DC Regulator | 
                                                                                    
                                                | Topology | Step-Up (Boost) | 
                                                                                    
                                                | Internal Switch(s) | Yes | 
                                                                                    
                                                | Number of Outputs | 1 | 
                                                                                    
                                                | Voltage - Supply (Min) | 2.7V | 
                                                                                    
                                                | Voltage - Supply (Max) | 4.5V | 
                                                                                    
                                                | Voltage - Output | 2.8V ~ 4.7V | 
                                                                                    
                                                | Current - Output / Channel | 500mA (Flash) | 
                                                                                    
                                                | Frequency | 4MHz | 
                                                                                    
                                                | Dimming | I²C | 
                                                                                    
                                                | Applications | Camera Flash | 
                                                                                    
                                                | Operating Temperature | -30°C ~ 85°C (TA) | 
                                                                                    
                                                | Mounting Type | Surface Mount | 
                                                                                    
                                                | Package / Case | 6-UFBGA, WLCSP | 
                                                                                    
                                                | Supplier Device Package | 6-WLCSP (1.5x1.1) | 
                                                                                    
                                                | Base Product Number | AS3642 | 
                                                                                    
                                                | Moisture Sensitivity Level (MSL) | 3  (168 Hours) | 
                                                                                    
                                                | REACH Status | REACH Unaffected | 
                                                                                    
                                                | ECCN | EAR99 | 
                                                                                    
                                                | HTSUS | 8542.39.0001 | 
                                                                                    
                                                | Standard Package | 500 | 
                                                                                                                
                                
                             
                                                LED Driver IC 1 Output DC DC Regulator Step-Up (Boost) I²C Dimming 500mA (Flash) 6-WLCSP (1.5x1.1)