| Parameters | 
                                                                                                                        
                                                | Mfr | Linear Technology | 
                                                                                    
                                                | Series | - | 
                                                                                    
                                                | Package | Bulk | 
                                                                                    
                                                | Product Status | Active | 
                                                                                    
                                                | Function | Step-Up/Step-Down | 
                                                                                    
                                                | Output Configuration | Positive | 
                                                                                    
                                                | Topology | Buck-Boost | 
                                                                                    
                                                | Output Type | Adjustable | 
                                                                                    
                                                | Number of Outputs | 1 | 
                                                                                    
                                                | Voltage - Input (Min) | 1.8V | 
                                                                                    
                                                | Voltage - Input (Max) | 5.5V | 
                                                                                    
                                                | Voltage - Output (Min/Fixed) | 1.8V | 
                                                                                    
                                                | Voltage - Output (Max) | 5.5V | 
                                                                                    
                                                | Current - Output | 3A | 
                                                                                    
                                                | Frequency - Switching | 300kHz ~ 2MHz | 
                                                                                    
                                                | Synchronous Rectifier | Yes | 
                                                                                    
                                                | Operating Temperature | -40°C ~ 125°C (TJ) | 
                                                                                    
                                                | Mounting Type | Surface Mount | 
                                                                                    
                                                | Package / Case | 20-TSSOP (0.173", 4.40mm Width) Exposed Pad | 
                                                                                    
                                                | Supplier Device Package | 20-TSSOP-EP | 
                                                                                    
                                                | ECCN | EAR99 | 
                                                                                    
                                                | HTSUS | 8542.39.0001 | 
                                                                                    
                                                | Standard Package | 1 | 
                                                                                                                
                                
                             
                                                Buck-Boost Switching Regulator IC Positive Adjustable 1.8V 1 Output 3A 20-TSSOP (0.173", 4.40mm Width) Exposed Pad