LT4276AHUFD#PBF vs LT4276AHUFD#TRPBF Comparison
Detailed side-by-side comparison of LT4276AHUFD#PBF by Analog Devices and LT4276AHUFD#TRPBF by Analog Devices. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Analog Devices
LT4276AHUFD#PBF - LTPoE++ PoE PD Controller 90W | Analog Devices
LT4276AHUFD#PBF ✓ ActiveAnalog Devices
LT4276AHUFD#TRPBF - 90W LTPoE++ PD Controller, QFN-28 | ADI
LT4276AHUFD#TRPBF ✓ ActiveSpecification Comparison
| Parameter | LT4276AHUFD#PBF | LT4276AHUFD#TRPBF |
|---|---|---|
| Brand | Analog Devices | Analog Devices |
| Category | Voltage Regulators | Power MOSFET Drivers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.58 | $3.45 |
| Function | LTPoE++/PoE+/PoE Powered Device Controller with integrated switching regulator | PoE PD controller with synchronous forward/flyback switching regulator controller |
| Supported Standards | IEEE 802.3at (PoE+), 802.3af (PoE), LTPoE++ | — |
| Maximum PD Power | 90 W (LTPoE++ class) | 90 W |
| Classification Levels | 38.7W / 52.7W / 70W / 90W | — |
| VPORT Rating | 60 V | — |
| Operating Current | 2 mA typical | — |
| Switching Frequency | 300 kHz | [DATA_NEEDED: switching frequency range] |
| Supported Topologies | Forward, Flyback (synchronous, isolated) | — |
| Auxiliary Power Support | Yes | — |
| Package | QFN-28 (4x5 mm) with exposed pad | 28-QFN (4 mm x 5 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +125C | -40 C to +125 C |
| MSL Level | 2 | 1 |
| RoHS Status | Compliant (Pb-free #PBF suffix) | Compliant |
| Pin/Package Compatibility | Pin-for-pin with LT4276B (PoE+) and LT4276C (PoE) | — |
| PoE Standard | — | IEEE 802.3af, IEEE 802.3at, LTPoE++ |
| Supported Power Levels | — | 13 W (af), 25.5 W (at), 38.7 W, 52.7 W, 70 W, 90 W (LTPoE++) |
| Input Voltage (Max) | — | 60 V |
| Topology Support | — | Synchronous forward and synchronous flyback |
| Auxiliary Power Input | — | Yes (ORed with PoE) |
| Number of Channels | — | 1 |
| Internal Hot-Swap FET | — | Yes (drives external 100V N-FET) |
| Synchronous Rectifier Driver | — | Yes (secondary-side gate drive) |
| Lead-Free / Halogen-Free | — | Yes / [DATA_NEEDED: halogen-free status] |