| Parameters | 
                                                                                                            
                                            | Mfr | Fairchild Semiconductor | 
                                                                            
                                            | Series | - | 
                                                                            
                                            | Package | Bulk | 
                                                                            
                                            | Product Status | Active | 
                                                                            
                                            | Output Isolation | Isolated | 
                                                                            
                                            | Internal Switch(s) | No | 
                                                                            
                                            | Voltage - Breakdown | - | 
                                                                            
                                            | Topology | Flyback | 
                                                                            
                                            | Voltage - Start Up | 12 V | 
                                                                            
                                            | Voltage - Supply (Vcc/Vdd) | 9.5V ~ 28V | 
                                                                            
                                            | Duty Cycle | 80% | 
                                                                            
                                            | Frequency - Switching | 65kHz | 
                                                                            
                                            | Fault Protection | Current Limiting, Over Load, Over Temperature, Over Voltage, Short Circuit | 
                                                                            
                                            | Control Features | - | 
                                                                            
                                            | Operating Temperature | -40°C ~ 150°C (TJ) | 
                                                                            
                                            | Package / Case | 8-SOIC (0.154", 3.90mm Width), 7 Leads | 
                                                                            
                                            | Supplier Device Package | 7-SOIC | 
                                                                            
                                            | Mounting Type | Surface Mount | 
                                                                            
                                            | Base Product Number | NCP1237 | 
                                                                            
                                            | ECCN | EAR99 | 
                                                                            
                                            | HTSUS | 8542.39.0001 | 
                                                                            
                                            | Standard Package | 1 | 
                                                                                                    
                            
                         
                                                Converter Offline Flyback Topology 65kHz 7-SOIC