Datasheet Linear Technology LT4276
| Manufacturer | Linear Technology |
| Series | LT4276 |
LTPoE++/PoE+/PoE PD Forward/Flyback Controller
Datasheets
LT4276 - LTPoE++/PoE+/PoE PD Forward/Flyback Controller
PDF, 398 Kb, Revision: A, File uploaded: Oct 25, 2017
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Packaging
| LT4276AHUFD#PBF | LT4276AHUFD#TRPBF | LT4276AIUFD#PBF | LT4276AIUFD#TRPBF | LT4276BHUFD#PBF | LT4276BHUFD#TRPBF | LT4276BIUFD#PBF | LT4276BIUFD#TRPBF | LT4276CHUFD#PBF | LT4276CHUFD#TRPBF | LT4276CIUFD#PBF | LT4276CIUFD#TRPBF | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| Package | 4x5 QFN-28 Package Outline Drawing | 4x5 QFN-28 Package Outline Drawing | 4x5 QFN-28 Package Outline Drawing | 4x5 QFN-28 Package Outline Drawing | 4x5 QFN-28 Package Outline Drawing | 4x5 QFN-28 Package Outline Drawing | 4x5 QFN-28 Package Outline Drawing | 4x5 QFN-28 Package Outline Drawing | 4x5 QFN-28 Package Outline Drawing | 4x5 QFN-28 Package Outline Drawing | 4x5 QFN-28 Package Outline Drawing | 4x5 QFN-28 Package Outline Drawing |
| Package Code | UFD | UFD | UFD | UFD | UFD | UFD | UFD | UFD | UFD | UFD | UFD | UFD |
| Package Index | 05-08-1712 | 05-08-1712 | 05-08-1712 | 05-08-1712 | 05-08-1712 | 05-08-1712 | 05-08-1712 | 05-08-1712 | 05-08-1712 | 05-08-1712 | 05-08-1712 | 05-08-1712 |
| Pin Count | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
Parametrics
| Parameters / Models | LT4276AHUFD#PBF | LT4276AHUFD#TRPBF | LT4276AIUFD#PBF | LT4276AIUFD#TRPBF | LT4276BHUFD#PBF | LT4276BHUFD#TRPBF | LT4276BIUFD#PBF | LT4276BIUFD#TRPBF | LT4276CHUFD#PBF | LT4276CHUFD#TRPBF | LT4276CIUFD#PBF | LT4276CIUFD#TRPBF |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Number of Channels | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Demo Boards | DC2047A-A,DC2046A-A,DC2046A-B,DC2046A-C,DC2046A-D,DC2046A-E,DC2046A-F,DC2262A-A,DC2262A-B | DC2047A-A,DC2046A-A,DC2046A-B,DC2046A-C,DC2046A-D,DC2046A-E,DC2046A-F,DC2262A-A,DC2262A-B | DC2047A-A,DC2046A-A,DC2046A-B,DC2046A-C,DC2046A-D,DC2046A-E,DC2046A-F,DC2262A-A,DC2262A-B | DC2047A-A,DC2046A-A,DC2046A-B,DC2046A-C,DC2046A-D,DC2046A-E,DC2046A-F,DC2262A-A,DC2262A-B | DC2047A-A,DC2046A-A,DC2046A-B,DC2046A-C,DC2046A-D,DC2046A-E,DC2046A-F,DC2262A-A,DC2262A-B | DC2047A-A,DC2046A-A,DC2046A-B,DC2046A-C,DC2046A-D,DC2046A-E,DC2046A-F,DC2262A-A,DC2262A-B | DC2047A-A,DC2046A-A,DC2046A-B,DC2046A-C,DC2046A-D,DC2046A-E,DC2046A-F,DC2262A-A,DC2262A-B | DC2047A-A,DC2046A-A,DC2046A-B,DC2046A-C,DC2046A-D,DC2046A-E,DC2046A-F,DC2262A-A,DC2262A-B | DC2047A-A,DC2046A-A,DC2046A-B,DC2046A-C,DC2046A-D,DC2046A-E,DC2046A-F,DC2262A-A,DC2262A-B | DC2047A-A,DC2046A-A,DC2046A-B,DC2046A-C,DC2046A-D,DC2046A-E,DC2046A-F,DC2262A-A,DC2262A-B | DC2047A-A,DC2046A-A,DC2046A-B,DC2046A-C,DC2046A-D,DC2046A-E,DC2046A-F,DC2262A-A,DC2262A-B | DC2047A-A,DC2046A-A,DC2046A-B,DC2046A-C,DC2046A-D,DC2046A-E,DC2046A-F,DC2262A-A,DC2262A-B |
| Design Tools | LTspice Model | LTspice Model | LTspice Model | LTspice Model | LTspice Model | LTspice Model | LTspice Model | LTspice Model | LTspice Model | LTspice Model | LTspice Model | LTspice Model |
| Export Control | no | no | no | no | no | no | no | no | no | no | no | no |
| I2C Interface | no | no | no | no | no | no | no | no | no | no | no | no |
| IEEE-Compliant Classification | One Event, Two Event | One Event, Two Event | One Event, Two Event | One Event, Two Event | One Event, Two Event | One Event, Two Event | One Event, Two Event | One Event, Two Event | 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) | Yes (Internal 25k resistor) | Yes (Internal 25k resistor) | Yes (Internal 25k resistor) | Yes (Internal 25k resistor) | 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 | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| Max Power, W | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 |
| Operating Temperature Range, °C | -40 to 125 | -40 to 125 | -40 to 85 | -40 to 85 | -40 to 125 | -40 to 125 | -40 to 85 | -40 to 85 | -40 to 125 | -40 to 125 | -40 to 85 | -40 to 85 |
| PSE/PD | PD | PD | PD | PD | PD | PD | PD | PD | PD | PD | PD | PD |
| PoE Type | 1, 2, LTPoE++ | 1, 2, LTPoE++ | 1, 2, LTPoE++ | 1, 2, LTPoE++ | 1, 2, LTPoE++ | 1, 2, LTPoE++ | 1, 2, LTPoE++ | 1, 2, LTPoE++ | 1, 2, LTPoE++ | 1, 2, LTPoE++ | 1, 2, LTPoE++ | 1, 2, LTPoE++ |
Eco Plan
| LT4276AHUFD#PBF | LT4276AHUFD#TRPBF | LT4276AIUFD#PBF | LT4276AIUFD#TRPBF | LT4276BHUFD#PBF | LT4276BHUFD#TRPBF | LT4276BIUFD#PBF | LT4276BIUFD#TRPBF | LT4276CHUFD#PBF | LT4276CHUFD#TRPBF | LT4276CIUFD#PBF | LT4276CIUFD#TRPBF | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
Model Line
Series: LT4276 (12)
Manufacturer's Classification
- Monitor, Control and Protection > Power-over-Ethernet (PoE) Interface Controllers > PoE Powered Device (PD)
