LT4276AHUFD#TRPBF vs LT4276AHUFD#PBF 对比
详细并排对比 LT4276AHUFD#TRPBF 出自 Analog Devices 和 LT4276AHUFD#PBF 出自 Analog Devices。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
Analog Devices
LT4276AHUFD#PBF - LTPoE++ PoE PD Controller 90W | Analog Devices
LT4276AHUFD#PBF ✓ 量产中规格对比
| 参数 | LT4276AHUFD#TRPBF | LT4276AHUFD#PBF |
|---|---|---|
| 品牌 | Analog Devices | Analog Devices |
| 分类 | Power MOSFET Drivers | Voltage Regulators |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $3.45 | $4.58 |
| 功能 | PoE PD controller with synchronous forward/flyback switching regulator controller | LTPoE++/PoE+/PoE Powered Device Controller with integrated switching regulator |
| PoE Standard | IEEE 802.3af, IEEE 802.3at, LTPoE++ | — |
| Maximum PD Power | 90 W | 90 W (LTPoE++ class) |
| 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) | — |
| 封装 | 28-QFN (4 mm x 5 mm) | QFN-28 (4x5 mm) with exposed pad |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | -40 C to +125 C | -40C to +125C |
| MSL 等级 | 1 | 2 |
| RoHS 状态 | Compliant | Compliant (Pb-free #PBF suffix) |
| Number of Channels | 1 | — |
| 开关频率 | [DATA_NEEDED: switching frequency range] | 300 kHz |
| 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] | — |
| Supported Standards | — | IEEE 802.3at (PoE+), 802.3af (PoE), LTPoE++ |
| Classification Levels | — | 38.7W / 52.7W / 70W / 90W |
| VPORT Rating | — | 60 V |
| Operating Current | — | 2 mA typical |
| Supported Topologies | — | Forward, Flyback (synchronous, isolated) |
| Auxiliary Power Support | — | Yes |
| Pin/Package Compatibility | — | Pin-for-pin with LT4276B (PoE+) and LT4276C (PoE) |