| Parameters | 
                                                                                                                        
                                                | Mounting Type | Through Hole | 
                                                                                    
                                                | Package / Case | 8-CDIP (0.300", 7.62mm) | 
                                                                                    
                                                | Supplier Device Package | 8-CDIP | 
                                                                                    
                                                | Base Product Number | UC1842 | 
                                                                                    
                                                | RoHS Status | RoHS non-compliant | 
                                                                                    
                                                | Moisture Sensitivity Level (MSL) | 3  (168 Hours) | 
                                                                                    
                                                | REACH Status | Vendor Undefined | 
                                                                                    
                                                | ECCN | EAR99 | 
                                                                                    
                                                | HTSUS | 8542.39.0001 | 
                                                                                    
                                                | Standard Package | 1 | 
                                                                                    
                                                | Mfr | Unitrode | 
                                                                                    
                                                | Series | - | 
                                                                                    
                                                | Package | Bulk | 
                                                                                    
                                                | Product Status | Active | 
                                                                                    
                                                | Output Type | Transistor Driver | 
                                                                                    
                                                | Function | Step-Up, Step-Up/Step-Down | 
                                                                                    
                                                | Output Configuration | Positive, Isolation Capable | 
                                                                                    
                                                | Topology | Boost, Flyback, Forward | 
                                                                                    
                                                | Number of Outputs | 1 | 
                                                                                    
                                                | Output Phases | 1 | 
                                                                                    
                                                | Voltage - Supply (Vcc/Vdd) | 12V ~ 28V | 
                                                                                    
                                                | Frequency - Switching | Up to 500kHz | 
                                                                                    
                                                | Duty Cycle (Max) | 96% | 
                                                                                    
                                                | Synchronous Rectifier | No | 
                                                                                    
                                                | Clock Sync | No | 
                                                                                    
                                                | Serial Interfaces | - | 
                                                                                    
                                                | Control Features | Frequency Control | 
                                                                                    
                                                | Operating Temperature | -55°C ~ 125°C (TA) | 
                                                                                                                
                                
                             
                                                Boost, Flyback, Forward Regulator Positive, Isolation Capable Output Step-Up, Step-Up/Step-Down DC-DC Controller IC 8-CDIP