| Parameters | 
                                    
                                                                                                            
                                        | Mfr | 
                                        Linear Technology | 
                                    
                                                                        
                                        | Series | 
                                        - | 
                                    
                                                                        
                                        | Package | 
                                        Bulk | 
                                    
                                                                        
                                        | Product Status | 
                                        Obsolete | 
                                    
                                                                        
                                        | Topology | 
                                        Step-Down (Buck) (3), Linear (LDO) (1) | 
                                    
                                                                        
                                        | Number of Outputs | 
                                        4 | 
                                    
                                                                        
                                        | Frequency - Switching | 
                                        250kHz ~ 2.5MHz | 
                                    
                                                                        
                                        | w/LED Driver | 
                                        No | 
                                    
                                                                        
                                        | w/Supervisor | 
                                        No | 
                                    
                                                                        
                                        | w/Sequencer | 
                                        Yes | 
                                    
                                                                        
                                        | Voltage - Supply | 
                                        3.8V ~ 36V | 
                                    
                                                                        
                                        | Operating Temperature | 
                                        -40°C ~ 150°C (TJ) | 
                                    
                                                                        
                                        | Mounting Type | 
                                        Surface Mount | 
                                    
                                                                        
                                        | Package / Case | 
                                        38-TFSOP (0.173", 4.40mm Width) Exposed Pad | 
                                    
                                                                        
                                        | Supplier Device Package | 
                                        38-TSSOP | 
                                    
                                                                        
                                        | RoHS Status | 
                                        RoHS non-compliant | 
                                    
                                                                        
                                        | REACH Status | 
                                        Vendor Undefined | 
                                    
                                                                        
                                        | ECCN | 
                                        EAR99 | 
                                    
                                                                        
                                        | HTSUS | 
                                        8542.39.0001 | 
                                    
                                                                        
                                        | Other Names | 
                                        2156-LT3507AHFE#TRPBF | 
                                    
                                                                        
                                        | Standard Package | 
                                        1 | 
                                    
                                                                                                        
                            
                         
                                                PMIC - Voltage Regulators - Linear Switching 4 Output Step-Down (Buck) (3), Linear (LDO) (1) 250kHz ~ 2.5MHz 38-TSSOP