| Topology | Flyback Converter |
| Input voltage | 9-57 V |
| Switching frequency | 214-300 kHz |
| Output 1 | 12 V / 1.9 A |
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.
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
Order Code | Datasheet | Simulation | Downloads | Status | Product series | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | RDC max.(mΩ) | Material | LR(µH) | fres(MHz) | Version | VIN | VOut1(V) | IOut1(A) | L(µH) | n | VT(V (AC)) | Size | Mount | SamplesAvailability & Sample | ||
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![]() | SPECWE-HCC SMT High Current Cube Inductor, 8.9 A, 9.3 A | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCC SMT High Current Cube Inductor | Performance Rated Current8.9 A | Saturation Current @ 10%9.3 A | Saturation Current @ 30%12.5 A | DC Resistance15 mΩ | MaterialFerrite | Rated Inductance2.8 µH | Self Resonant Frequency36 MHz | VersionSMT | – | – | – | Inductance8.2 µH | – | – | Size1090 | MountSMT | –Check availability | |||
![]() | SPECWE-PoE Power over Ethernet Transformer, –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PoE Power over Ethernet Transformer | – | – | – | – | – | – | – | VersionFlyback | Input Voltage 9 - 57 V (DC) | Output Voltage 112 V | Output Current 12 A | Inductance9 µH | Turns Ratio1:1.12:1 | Insulation Test Voltage1500 V (AC) | SizeEFD20 | MountSMT | –Check availability |
| Expected Availability | Opening inventory | Quantity |
|---|---|---|
| Current Availability | – | – |