LT4276AIUFD vs LT4276AHUFD#PBF Comparação
Comparação detalhada lado a lado de LT4276AIUFD por Analog Devices e LT4276AHUFD#PBF por Analog Devices. Compare especificações principais, parâmetros elétricos, encapsulamento, status do ciclo de vida, preços e disponibilidade para determinar o melhor componente para os requisitos do seu projeto.
Analog Devices
LT4276AIUFD - LTPoE++/PoE+/PoE PD Forward/Flyback Controller | Analog Devices
LT4276AIUFD ✓ AtivoAnalog Devices
LT4276AHUFD#PBF - LTPoE++ PoE PD Controller 90W | Analog Devices
LT4276AHUFD#PBF ✓ AtivoComparação de especificações
| Parâmetro | LT4276AIUFD | LT4276AHUFD#PBF |
|---|---|---|
| Marca | Analog Devices | Analog Devices |
| Categoria | Power Over Ethernet (PoE) Controllers | Voltage Regulators |
| Status do ciclo de vida | Ativo | Ativo |
| Status do estoque | In Stock | In Stock |
| Preço unitário (USD) | $2,28 | $4,58 |
| 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 | — |
| Temperatura de operação | -40C to +85C | -40C to +125C |
| Encapsulamento | 28-QFN (4x5 mm) | QFN-28 (4x5 mm) with exposed pad |
| Tipo de montagem | Surface Mount | Surface Mount |
| Nível MSL | 1 (unlimited) | 2 |
| Status RoHS | Compliant (#PBF suffix) | Compliant (Pb-free #PBF suffix) |
| Lead-Free | Yes | — |
| Livre de halogênio | Yes | — |
| 1ku List Price (Starting) | $2.47 USD | — |
| Função | — | 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 |
| Frequência de comutação | — | 300 kHz |
| Supported Topologies | — | Forward, Flyback (synchronous, isolated) |
| Auxiliary Power Support | — | Yes |
| Pin/Package Compatibility | — | Pin-for-pin with LT4276B (PoE+) and LT4276C (PoE) |