| Parameters | 
                                    
                                                                                                                        
                                                | REACH Status | 
                                                REACH Unaffected | 
                                            
                                                                                    
                                                | ECCN | 
                                                EAR99 | 
                                            
                                                                                    
                                                | HTSUS | 
                                                8542.39.0001 | 
                                            
                                                                                    
                                                | Standard Package | 
                                                2,500 | 
                                            
                                                                                    
                                                | Mfr | 
                                                STMicroelectronics | 
                                            
                                                                                    
                                                | Series | 
                                                - | 
                                            
                                                                                    
                                                | Package | 
                                                Tape & Reel (TR) | 
                                            
                                                                                    
                                                | Product Status | 
                                                Obsolete | 
                                            
                                                                                    
                                                | Output Type | 
                                                Transistor Driver | 
                                            
                                                                                    
                                                | Function | 
                                                Step-Down | 
                                            
                                                                                    
                                                | Output Configuration | 
                                                Positive | 
                                            
                                                                                    
                                                | Topology | 
                                                Buck | 
                                            
                                                                                    
                                                | Number of Outputs | 
                                                1 | 
                                            
                                                                                    
                                                | Output Phases | 
                                                1 | 
                                            
                                                                                    
                                                | Voltage - Supply (Vcc/Vdd) | 
                                                3V ~ 5.5V | 
                                            
                                                                                    
                                                | Frequency - Switching | 
                                                - | 
                                            
                                                                                    
                                                | Duty Cycle (Max) | 
                                                - | 
                                            
                                                                                    
                                                | Synchronous Rectifier | 
                                                Yes | 
                                            
                                                                                    
                                                | Clock Sync | 
                                                No | 
                                            
                                                                                    
                                                | Serial Interfaces | 
                                                - | 
                                            
                                                                                    
                                                | Control Features | 
                                                Current Limit, Enable, Phase Control, Power Good, Soft Start | 
                                            
                                                                                    
                                                | Operating Temperature | 
                                                -40°C ~ 125°C (TJ) | 
                                            
                                                                                    
                                                | Mounting Type | 
                                                Surface Mount | 
                                            
                                                                                    
                                                | Package / Case | 
                                                20-TSSOP (0.173", 4.40mm Width) | 
                                            
                                                                                    
                                                | Supplier Device Package | 
                                                20-TSSOP | 
                                            
                                                                                    
                                                | Base Product Number | 
                                                L6997 | 
                                            
                                                                                    
                                                | RoHS Status | 
                                                RoHS Compliant | 
                                            
                                                                                    
                                                | Moisture Sensitivity Level (MSL) | 
                                                3  (168 Hours) | 
                                            
                                                                                                                
                                
                             
                                                Buck Regulator Positive Output Step-Down DC-DC Controller IC 20-TSSOP