DA2257-AL_ Dual-output flyback transformer for Power over Ethernet
DA2257-AL_ Dual-output flyback transformer for Power over Ethernet
Description:
• Dual-output flyback transformer for Power over Ethernet
• Operates in continuous mode at 250 kHz with 14 – 60 V input
• 2000 Vrms isolation from primary and auxiliary to secondaries
• Flyback Transformer For TI LM5071 & LM5072 PD Controllers
Core material Ferrite
Terminations RoHS compliant tin-silver over tin over nickel over phos
bronze. Other terminations available at additional cost.
Weight 6.35g
Ambient temperature –40°C to +85°C
Storage temperature Component: –40°C to +85°C.
Tape and reel packaging: –40°C to +80°C
|
Part number |
L at 0 A ±10% (μH) |
L at Ipk min (μH) |
DCR max (Ohms) |
Leakage max (μH) |
Turns ratios |
Ipk (A) |
Output |
| DA2257-AL_ | 35.0 | 30.0 |
0.225 (aux) 0.138 (gate) 0.010 (sec 1) 0.018 (sec 2) 0.062 (pri) |
0.95 |
2 : 1 (pri : aux) 3.6 : 1 (pri : gate) 6 : 1 (pri : sec1) 3.6 : 1 (pri : sec 2) |
2.7 |
10 V, 0.05 A (aux) 5.5 V, 0.05 A (gate) 3.3 V, 2.0 A (sec 1) 5.0 V, 1.0 A (sec 2) |
DA2257-AL_ Dual-output flyback transformer for Power over Ethernet
Shape and Dimensions:
Product picture:
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