| Parameters | 
                                    
                                                                                                                        
                                                | Mfr | 
                                                National Semiconductor | 
                                            
                                                                                    
                                                | Series | 
                                                SIMPLE SWITCHER® | 
                                            
                                                                                    
                                                | Package | 
                                                Bulk | 
                                            
                                                                                    
                                                | Product Status | 
                                                Active | 
                                            
                                                                                    
                                                | Function | 
                                                Step-Down | 
                                            
                                                                                    
                                                | Output Configuration | 
                                                Positive | 
                                            
                                                                                    
                                                | Topology | 
                                                Buck | 
                                            
                                                                                    
                                                | Output Type | 
                                                Adjustable | 
                                            
                                                                                    
                                                | Number of Outputs | 
                                                1 | 
                                            
                                                                                    
                                                | Voltage - Input (Min) | 
                                                8V | 
                                            
                                                                                    
                                                | Voltage - Input (Max) | 
                                                40V | 
                                            
                                                                                    
                                                | Voltage - Output (Min/Fixed) | 
                                                1.2V | 
                                            
                                                                                    
                                                | Voltage - Output (Max) | 
                                                37V | 
                                            
                                                                                    
                                                | Current - Output | 
                                                3A | 
                                            
                                                                                    
                                                | Frequency - Switching | 
                                                260kHz | 
                                            
                                                                                    
                                                | Synchronous Rectifier | 
                                                No | 
                                            
                                                                                    
                                                | Operating Temperature | 
                                                -40°C ~ 125°C (TJ) | 
                                            
                                                                                    
                                                | Mounting Type | 
                                                Through Hole | 
                                            
                                                                                    
                                                | Package / Case | 
                                                TO-220-7 Formed Leads | 
                                            
                                                                                    
                                                | Supplier Device Package | 
                                                TO-220-7 | 
                                            
                                                                                    
                                                | RoHS Status | 
                                                RoHS non-compliant | 
                                            
                                                                                    
                                                | Moisture Sensitivity Level (MSL) | 
                                                1  (Unlimited) | 
                                            
                                                                                    
                                                | REACH Status | 
                                                REACH Affected | 
                                            
                                                                                    
                                                | ECCN | 
                                                EAR99 | 
                                            
                                                                                    
                                                | HTSUS | 
                                                8542.39.0001 | 
                                            
                                                                                    
                                                | Standard Package | 
                                                1 | 
                                            
                                                                                                                
                                
                             
                                                Buck Switching Regulator IC Positive Adjustable 1.2V 1 Output 3A TO-220-7 Formed Leads