| Parameters | 
                                                                                                            
                                        | Mfr | Analog Devices Inc. | 
                                                                        
                                        | Series | - | 
                                                                        
                                        | Package | Tape & Reel (TR) | 
                                                                        
                                        | Product Status | Active | 
                                                                        
                                        | Type | Controller (PD), DC/DC | 
                                                                        
                                        | Number of Channels | 1 | 
                                                                        
                                        | Power - Max | 25.5 W | 
                                                                        
                                        | Internal Switch(s) | No | 
                                                                        
                                        | Auxiliary Sense | Yes | 
                                                                        
                                        | Standards | 802.3at (PoE+), 802.3af (PoE) | 
                                                                        
                                        | Voltage - Supply | 60V (Max) | 
                                                                        
                                        | Current - Supply | 2mA (Max) | 
                                                                        
                                        | Operating Temperature | -40°C ~ 85°C | 
                                                                        
                                        | Mounting Type | Surface Mount | 
                                                                        
                                        | Package / Case | 28-WFQFN Exposed Pad | 
                                                                        
                                        | Supplier Device Package | 28-QFN (4x5) | 
                                                                        
                                        | Base Product Number | LT4276 | 
                                                                        
                                        | RoHS Status | ROHS3 Compliant | 
                                                                        
                                        | Moisture Sensitivity Level (MSL) | 1  (Unlimited) | 
                                                                        
                                        | REACH Status | REACH Unaffected | 
                                                                        
                                        | ECCN | EAR99 | 
                                                                        
                                        | HTSUS | 8542.39.0001 | 
                                                                        
                                        | Standard Package | 2,500 | 
                                                                                                        
                            
                         
                                                Power Over Ethernet Controller 1 Channel 802.3at (PoE+), 802.3af (PoE) 28-QFN (4x5)