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Overview
| Topology | Forward Converter |
| Input voltage | 37-57 V |
| Switching frequency | 214-300 kHz |
| Output 1 | 5 V / 13 A |
Description
The LT®4295 is an IEEE 802.3af/at/bt(Draft 2.0)-compliantpowered device (PD) interface controller with aswitching regulator controller. The T2P output indicatesthe number of classification events received during IEEE802.3bt-compliant mutual identification and negotiationof available power.
Features
IEEE 802.3af/at/bt(Draft 2.0) Powered Device (PD)with Forward/Flyback Controllern Supports Up to 71 Watt PDsn 5-Event Classification Sensingn Superior Surge Protection (100V Absolute Maximum)n Wide Junction Temperature Range (–40°C to 125°C)n >94% End-to-End Efficiency with LT4321 Ideal Bridgen External Hot Swap N-Channel MOSFET for LowestPower Dissipation and Highest System Efficiencyn No-Opto Flyback Operationn Auxiliary Power Support as Low as 9Vn Easy Migration of LTPoE++® PDs to IEEE 802.3bt PDsn Pin Compatible with LT4276A/B/Cn 28-Lead 4mm × 5mm QFN Package
Typical applications
- Commercial and Public Information Displays
- Outdoor Security Camera Equipment
- High Power Wireless Data Systems
- High Temperature Applications
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Product series | L (µH) | VT (V (DC)) | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC (mΩ) | fres (MHz) | Material | Version | VIN | VOut1 (V) | IOut1 (A) | Vaux (V) | n | Size | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 744314490 | SPEC | 8 files | WE-HCI SMT Flat Wire High Current Inductor | 4.9 | – | 8.3 | 2.2 | 6.5 | 14.5 | 56 | Superflux | SMT | – | – | – | – | – | 7050 | SMT | ||
 | 750313095 | SPEC | – | 9 files | WE-PoE++ Power over Ethernet Plus Plus Transformer | 175 | 2400 | – | – | – | – | – | – | Forward | 40 - 57 V (DC) | 5 | 17 | 10.75 | 3.5:1:2.25 | EFD20 | SMT |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Product series | L (µH) | VT (V (DC)) | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC (mΩ) | fres (MHz) | Material | Version | VIN | VOut1 (V) | IOut1 (A) | Vaux (V) | n | Size | Mount | Samples |
|---|