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Overview
| Topology | Flyback Converter |
| Switching frequency | 214-300 kHz |
| Output 1 | 24 V / 1 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
- Outdoor Security Camera Equipment
- Commercial and Public Information Displays
- High Power Wireless Data Systems
- High Temperature Applications
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | Version | VIN | VOut1(V) | IOut1(A) | L(µH) | n | VT(V (DC)) | Size | Mount | SamplesAvailability & Sample | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | SPECWE-PoE Power over Ethernet Transformer, Flyback, 40 - 57 V (DC) | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PoE Power over Ethernet Transformer | VersionFlyback | Input Voltage 40 - 57 V (DC) | Output Voltage 124 V | Output Current 11 A | Inductance37 µH | Turns Ratio1:1:0.56 | Insulation Test Voltage2400 V (DC) | SizeEP13 | MountSMT | –Check availability |
| Expected Availability | Opening inventory | Quantity |
|---|---|---|
| Current Availability | – | – |