| Parameters | 
                                
                                                                                                            
                                            | Mfr | 
                                            Catalyst Semiconductor Inc. | 
                                        
                                                                            
                                            | Series | 
                                            - | 
                                        
                                                                            
                                            | Package | 
                                            Bulk | 
                                        
                                                                            
                                            | Product Status | 
                                            Active | 
                                        
                                                                            
                                            | Topology | 
                                            Step-Up (Boost) | 
                                        
                                                                            
                                            | Number of Outputs | 
                                            2 | 
                                        
                                                                            
                                            | Voltage - Supply (Min) | 
                                            2.8V | 
                                        
                                                                            
                                            | Voltage - Supply (Max) | 
                                            4.2V | 
                                        
                                                                            
                                            | Voltage - Output | 
                                            20V | 
                                        
                                                                            
                                            | Current - Output / Channel | 
                                            250mA | 
                                        
                                                                            
                                            | Frequency | 
                                            2MHz | 
                                        
                                                                            
                                            | Applications | 
                                            Backlight | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            -40°C ~ 85°C (TA) | 
                                        
                                                                            
                                            | Mounting Type | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Package / Case | 
                                            12-WFDFN Exposed Pad | 
                                        
                                                                            
                                            | Supplier Device Package | 
                                            12-TDFN (3x3) | 
                                        
                                                                            
                                            | Base Product Number | 
                                            CAT4134 | 
                                        
                                                                            
                                            | ECCN | 
                                            EAR99 | 
                                        
                                                                            
                                            | HTSUS | 
                                            8542.39.0001 | 
                                        
                                                                            
                                            | Standard Package | 
                                            1 | 
                                        
                                                                                                    
                            
                         
                                                LED Driver IC 2 Output Step-Up (Boost) Dimming 250mA 12-TDFN (3x3)