| Parameters | 
                                
                                                                                                            
                                            | Mfr | 
                                            Vishay Siliconix | 
                                        
                                                                            
                                            | Series | 
                                            - | 
                                        
                                                                            
                                            | Package | 
                                            Box | 
                                        
                                                                            
                                            | Product Status | 
                                            Obsolete | 
                                        
                                                                            
                                            | Main Purpose | 
                                            DC/DC Converter | 
                                        
                                                                            
                                            | Outputs and Type | 
                                            1, Non-Isolated | 
                                        
                                                                            
                                            | Voltage - Output | 
                                            3.3V | 
                                        
                                                                            
                                            | Current - Output | 
                                            400mA | 
                                        
                                                                            
                                            | Voltage - Input | 
                                            -10V ~ -60V | 
                                        
                                                                            
                                            | Regulator Topology | 
                                            Buck-Boost | 
                                        
                                                                            
                                            | Frequency - Switching | 
                                            95kHz | 
                                        
                                                                            
                                            | Board Type | 
                                            Fully Populated | 
                                        
                                                                            
                                            | Supplied Contents | 
                                            Board(s) | 
                                        
                                                                            
                                            | Utilized IC / Part | 
                                            Si9121 | 
                                        
                                                                            
                                            | Base Product Number | 
                                            SI9121 | 
                                        
                                                                            
                                            | RoHS Status | 
                                            RoHS non-compliant | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            1  (Unlimited) | 
                                        
                                                                            
                                            | REACH Status | 
                                            REACH Unaffected | 
                                        
                                                                            
                                            | ECCN | 
                                            EAR99 | 
                                        
                                                                            
                                            | HTSUS | 
                                            8473.30.1180 | 
                                        
                                                                            
                                            | Standard Package | 
                                            1 | 
                                        
                                                                                                    
                            
                         
                                                Si9121 - DC/DC Converter 1, Non-Isolated Outputs Evaluation Board