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| PartNumber | LT4276BHUFD#PBF | LT4276BHUFD#TRPBF | LT4276BIUFD |
| Description | Power Switch ICs - POE / LAN PoE+ PD with Forward/Flyback Controller | Power Switch ICs - POE / LAN PoE+ PD with Forward/Flyback Controller | |
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Linear Technology |
| Product Category | Power Switch ICs - POE / LAN | Power Switch ICs - POE / LAN | PMIC - Power Over Ethernet (PoE) Controllers |
| RoHS | Y | Y | - |
| Type | Powered Device - PD | Powered Device - PD | Controller (PD), DC/DC |
| Standard | 802.3af, 802.3at | - | - |
| Operating Supply Voltage | 60 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 125 C | - | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | QFN-28 | QFN-28 | - |
| Packaging | Tube | Reel | Tube Alternate Packaging |
| Output Power | 25.5 W | - | - |
| Series | LT4276 | LT4276 | - |
| Brand | Analog Devices | Analog Devices | - |
| Operating Supply Current | 2 mA | - | - |
| Product Type | Power Switch ICs - POE / LAN | Power Switch ICs - POE / LAN | - |
| Factory Pack Quantity | 73 | 2500 | - |
| Subcategory | Switch ICs | Switch ICs | - |
| Unit Weight | 0.000882 oz | - | - |
| Package Case | - | - | 28-WFQFN Exposed Pad |
| Operating Temperature | - | - | -40°C ~ 85°C |
| Number of Channels | - | - | 1 |
| Voltage Supply | - | - | 60V (Max) |
| Supplier Device Package | - | - | 28-QFN (4x5) |
| Current Supply | - | - | 2mA (Max) |
| Standards | - | - | 802.3at (PoE+), 802.3af (PoE) |
| Internal Switch s | - | - | No |
| Power Max | - | - | 25.5W |
| Auxiliary Sense | - | - | Yes |