Datasheet Linear Technology LTC4278
| Manufacturer | Linear Technology |
| Series | LTC4278 |
IEEE 802.3at PD with Synchronous No-Opto Flyback Controller and 12V Aux Support
Datasheets
LTC4278 - IEEE 802.3at PD with Synchronous No-Opto Flyback Controller and 12V Aux Support
PDF, 516 Kb, Revision: C, File uploaded: Oct 25, 2017
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Packaging
| LTC4278CDKD#PBF | LTC4278CDKD#TRPBF | LTC4278IDKD#PBF | LTC4278IDKD#TRPBF | |
|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 |
| Package | 7x4 DFN-32 Package Outline Drawing | 7x4 DFN-32 Package Outline Drawing | 7x4 DFN-32 Package Outline Drawing | 7x4 DFN-32 Package Outline Drawing |
| Package Code | DKD | DKD | DKD | DKD |
| Package Index | 05-08-1734 | 05-08-1734 | 05-08-1734 | 05-08-1734 |
| Pin Count | 32 | 32 | 32 | 32 |
Parametrics
| Parameters / Models | LTC4278CDKD#PBF | LTC4278CDKD#TRPBF | LTC4278IDKD#PBF | LTC4278IDKD#TRPBF |
|---|---|---|---|---|
| Number of Channels | 1 | 1 | 1 | 1 |
| Demo Boards | DC1561B | DC1561B | DC1561B | DC1561B |
| Design Tools | LTspice Model | LTspice Model | LTspice Model | LTspice Model |
| Export Control | no | no | no | no |
| I2C Interface | yes | yes | yes | yes |
| IEEE-Compliant Classification | One Event, Two Event | One Event, Two Event | One Event, Two Event | One Event, Two Event |
| IEEE-Compliant Detection | Yes (Internal 25k resistor) | Yes (Internal 25k resistor) | Yes (Internal 25k resistor) | Yes (Internal 25k resistor) |
| IEEE-Compliant Disconnection | N/A | N/A | N/A | N/A |
| Max Power, W | 25.5 | 25.5 | 25.5 | 25.5 |
| Operating Temperature Range, °C | 0 to 70 | 0 to 70 | -40 to 85 | -40 to 85 |
| PSE/PD | PD | PD | PD | PD |
| PoE Type | 2 | 2 | 2 | 2 |
Eco Plan
| LTC4278CDKD#PBF | LTC4278CDKD#TRPBF | LTC4278IDKD#PBF | LTC4278IDKD#TRPBF | |
|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant |
Model Line
Series: LTC4278 (4)
Manufacturer's Classification
- Monitor, Control and Protection > Power-over-Ethernet (PoE) Interface Controllers > PoE Powered Device (PD)
