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| Part Number | LTC4274AIUHF-1#PBF | LTC4274AIUHF-4#PBF | LTC4274AIUHF-3#PBF | LTC4274AIUHF-2#PBF |
|---|---|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. |
| Product Status | Active | Active | Active | Active |
| Type | Controller (PSE) | Controller (PSE) | Controller (PSE) | Controller (PSE) |
| Number of Channels | 1 | 1 | 1 | 1 |
| Power - Max | 38.7 W | 90 W | 70 W | 52.7 W |
| Internal Switch(s) | No | No | No | No |
| Auxiliary Sense | No | No | No | No |
| Standards | 802.3at (PoE+), 802.3af (PoE), LTPoE++ | 802.3at (PoE+), 802.3af (PoE), LTPoE++ | 802.3at (PoE+), 802.3af (PoE), LTPoE++ | 802.3at (PoE+), 802.3af (PoE), LTPoE++ |
| Voltage - Supply | 45V ~ 57V | 45V ~ 57V | 45V ~ 57V | 45V ~ 57V |
| Current - Supply | 2.4mA | 2.4mA | 2.4mA | 2.4mA |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 38-WFQFN Exposed Pad | 38-WFQFN Exposed Pad | 38-WFQFN Exposed Pad | 38-WFQFN Exposed Pad |
| Supplier Device Package | 38-QFN (5x7) | 38-QFN (5x7) | 38-QFN (5x7) | 38-QFN (5x7) |
