| Parameters | 
                                                                                                                        
                                                | Mfr | International Rectifier | 
                                                                                    
                                                | Series | - | 
                                                                                    
                                                | Package | Bulk | 
                                                                                    
                                                | Product Status | Obsolete | 
                                                                                    
                                                | Output Type | Transistor Driver | 
                                                                                    
                                                | Function | Step-Down, Step-Up/Step-Down | 
                                                                                    
                                                | Output Configuration | Positive, Isolation Capable | 
                                                                                    
                                                | Topology | Buck, Half-Bridge | 
                                                                                    
                                                | Number of Outputs | 2 | 
                                                                                    
                                                | Output Phases | 2 | 
                                                                                    
                                                | Voltage - Supply (Vcc/Vdd) | 12V ~ 18V | 
                                                                                    
                                                | Frequency - Switching | Up to 500kHz | 
                                                                                    
                                                | Duty Cycle (Max) | 50% | 
                                                                                    
                                                | Synchronous Rectifier | Yes | 
                                                                                    
                                                | Clock Sync | No | 
                                                                                    
                                                | Serial Interfaces | - | 
                                                                                    
                                                | Control Features | Enable, Frequency Control | 
                                                                                    
                                                | Operating Temperature | -40°C ~ 150°C (TJ) | 
                                                                                    
                                                | Mounting Type | Surface Mount | 
                                                                                    
                                                | Package / Case | 8-SOIC (0.154", 3.90mm Width) | 
                                                                                    
                                                | Supplier Device Package | 8-SOIC | 
                                                                                    
                                                | Base Product Number | IRS27951 | 
                                                                                    
                                                | ECCN | EAR99 | 
                                                                                    
                                                | HTSUS | 8542.39.0001 | 
                                                                                    
                                                | Standard Package | 1 | 
                                                                                                                
                                
                             
                                                Buck, Half-Bridge Regulator Positive, Isolation Capable Output Step-Down, Step-Up/Step-Down DC-DC Controller IC 8-SOIC