| Parameters | 
                                                                                                                        
                                                | Mfr | Analog Devices Inc. | 
                                                                                    
                                                | Series | - | 
                                                                                    
                                                | Package | Tube | 
                                                                                    
                                                | Product Status | Active | 
                                                                                    
                                                | Output Type | Transistor Driver | 
                                                                                    
                                                | Function | Step-Down | 
                                                                                    
                                                | Output Configuration | Positive | 
                                                                                    
                                                | Topology | Buck, Buck-Boost | 
                                                                                    
                                                | Number of Outputs | 3 | 
                                                                                    
                                                | Output Phases | 2 | 
                                                                                    
                                                | Voltage - Supply (Vcc/Vdd) | 4.5V ~ 60V | 
                                                                                    
                                                | Frequency - Switching | 105kHz ~ 835kHz, 350kHz ~ 535kHz | 
                                                                                    
                                                | Duty Cycle (Max) | 100% | 
                                                                                    
                                                | Synchronous Rectifier | Yes | 
                                                                                    
                                                | Clock Sync | No | 
                                                                                    
                                                | Serial Interfaces | - | 
                                                                                    
                                                | Control Features | Enable, Frequency Control, Soft Start, Tracking | 
                                                                                    
                                                | Operating Temperature | -55°C ~ 150°C (TJ) | 
                                                                                    
                                                | Mounting Type | Surface Mount | 
                                                                                    
                                                | Package / Case | 38-WFQFN Exposed Pad | 
                                                                                    
                                                | Supplier Device Package | 38-QFN (5x7) | 
                                                                                    
                                                | Base Product Number | LTC3899 | 
                                                                                    
                                                | RoHS Status | ROHS3 Compliant | 
                                                                                    
                                                | Moisture Sensitivity Level (MSL) | 1  (Unlimited) | 
                                                                                    
                                                | REACH Status | REACH Unaffected | 
                                                                                    
                                                | ECCN | EAR99 | 
                                                                                    
                                                | HTSUS | 8542.39.0001 | 
                                                                                    
                                                | Other Names | -2735-LTC3899MPUHF#PBF | 
                                                                                    
                                                | Standard Package | 52 | 
                                                                                                                
                                
                             
                                                Buck, Buck-Boost Regulator Positive Output Step-Down DC-DC Controller IC 38-QFN (5x7)