| Parameters | 
                                                                                                                        
                                                | Mfr | Analog Devices Inc. | 
                                                                                    
                                                | Series | - | 
                                                                                    
                                                | Package | Tube | 
                                                                                    
                                                | Product Status | Active | 
                                                                                    
                                                | Function | Step-Up/Step-Down | 
                                                                                    
                                                | Output Configuration | Negative | 
                                                                                    
                                                | Topology | Charge Pump | 
                                                                                    
                                                | Output Type | Fixed | 
                                                                                    
                                                | Number of Outputs | 1 | 
                                                                                    
                                                | Voltage - Input (Min) | 4.5V | 
                                                                                    
                                                | Voltage - Input (Max) | 5.5V | 
                                                                                    
                                                | Voltage - Output (Min/Fixed) | -4.1V | 
                                                                                    
                                                | Voltage - Output (Max) | - | 
                                                                                    
                                                | Current - Output | 20mA | 
                                                                                    
                                                | Frequency - Switching | 900kHz | 
                                                                                    
                                                | Synchronous Rectifier | No | 
                                                                                    
                                                | Operating Temperature | 0°C ~ 70°C (TA) | 
                                                                                    
                                                | Mounting Type | Surface Mount | 
                                                                                    
                                                | Package / Case | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | 
                                                                                    
                                                | Supplier Device Package | 8-MSOP | 
                                                                                    
                                                | Base Product Number | LTC1551 | 
                                                                                    
                                                | RoHS Status | ROHS3 Compliant | 
                                                                                    
                                                | Moisture Sensitivity Level (MSL) | 1  (Unlimited) | 
                                                                                    
                                                | REACH Status | REACH Unaffected | 
                                                                                    
                                                | ECCN | EAR99 | 
                                                                                    
                                                | HTSUS | 8542.39.0001 | 
                                                                                    
                                                | Other Names | -2735-LTC1551LCMS8-4.1#PBF | 
                                                                                    
                                                | Standard Package | 50 | 
                                                                                                                
                                
                             
                                                Charge Pump Switching Regulator IC Negative Fixed -4.1V 1 Output 20mA 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)