LT4276AHUFD#PBF vs LT4276AIUFD 对比
详细并排对比 LT4276AHUFD#PBF 出自 Analog Devices 和 LT4276AIUFD 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Analog Devices
LT4276AIUFD - LTPoE++/PoE+/PoE PD Forward/Flyback Controller | Analog Devices
LT4276AIUFD ✓ 量产中规格对比
| 参数 | LT4276AHUFD#PBF | LT4276AIUFD |
|---|---|---|
| 品牌 | Analog Devices | Analog Devices |
| 分类 | Voltage Regulators | Power Over Ethernet (PoE) Controllers |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $4.58 | $2.28 |
| 功能 | LTPoE++/PoE+/PoE Powered Device Controller with integrated switching regulator | — |
| Supported Standards | IEEE 802.3at (PoE+), 802.3af (PoE), LTPoE++ | — |
| Maximum PD Power | 90 W (LTPoE++ class) | — |
| Classification Levels | 38.7W / 52.7W / 70W / 90W | — |
| VPORT Rating | 60 V | — |
| Operating Current | 2 mA typical | — |
| 开关频率 | 300 kHz | — |
| Supported Topologies | Forward, Flyback (synchronous, isolated) | — |
| Auxiliary Power Support | Yes | — |
| 封装 | QFN-28 (4x5 mm) with exposed pad | 28-QFN (4x5 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | -40C to +125C | -40C to +85C |
| MSL 等级 | 2 | 1 (unlimited) |
| RoHS 状态 | Compliant (Pb-free #PBF suffix) | Compliant (#PBF suffix) |
| Pin/Package Compatibility | Pin-for-pin with LT4276B (PoE+) and LT4276C (PoE) | — |
| Product Type | — | Powered Device (PD) Controller |
| PoE Standard | — | IEEE 802.3af/at, LTPoE++ |
| LTPoE++ Power Levels | — | 38.7W / 52.7W / 70W / 90W |
| PoE+ Power | — | 25.5W |
| PoE Power | — | 12.95W |
| Number of Channels | — | 1 |
| Topology Support | — | Forward / Flyback |
| Auxiliary Supply Support | — | Yes (auto takeover) |
| Integrated Hot Swap FET | — | Yes, 100V |
| Lead-Free | — | Yes |
| 无卤 | — | Yes |
| 1ku List Price (Starting) | — | $2.47 USD |