| Parameters | 
                                                                                                            
                                            | Mfr | onsemi | 
                                                                            
                                            | Series | - | 
                                                                            
                                            | Package | Tube | 
                                                                            
                                            | Product Status | Obsolete | 
                                                                            
                                            | Output Isolation | - | 
                                                                            
                                            | Internal Switch(s) | No | 
                                                                            
                                            | Voltage - Breakdown | - | 
                                                                            
                                            | Topology | - | 
                                                                            
                                            | Voltage - Start Up | 8.4 V | 
                                                                            
                                            | Voltage - Supply (Vcc/Vdd) | 12V ~ 25V | 
                                                                            
                                            | Duty Cycle | 97% | 
                                                                            
                                            | Frequency - Switching | Up to 500kHz | 
                                                                            
                                            | Fault Protection | - | 
                                                                            
                                            | Control Features | Frequency Control | 
                                                                            
                                            | Operating Temperature | 0°C ~ 70°C (TA) | 
                                                                            
                                            | Package / Case | 14-SOIC (0.154", 3.90mm Width) | 
                                                                            
                                            | Supplier Device Package | 14-SOIC | 
                                                                            
                                            | Mounting Type | Surface Mount | 
                                                                            
                                            | Base Product Number | KA3843 | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 1  (Unlimited) | 
                                                                            
                                            | REACH Status | REACH Unaffected | 
                                                                            
                                            | ECCN | EAR99 | 
                                                                            
                                            | HTSUS | 8542.39.0001 | 
                                                                            
                                            | Standard Package | 4,860 | 
                                                                                                    
                            
                         
                                                Converter Offline Topology Up to 500kHz 14-SOIC