ga3568

Document 853
Flyback Transformers
For Akros AS1135
PoE Controller
• Flyback transformers for IEEE802.3at PoE applications
• Input voltage GA3568: 36 – 57 V; HA3809: 10 – 57 V
• 1500 Vrms, one minute isolation from primary and bias to
secondary and sync windings.
Core material Ferrite
Terminations RoHS tin-silver (96.5/3.5) over tin over nickel over phos
bronze. Other terminations available at additional cost.
Weight 11.4 – 11.8 g
Ambient temperature –40°C to +125°C
Storage temperature Component: –40°C to +125°C.
Tape and reel packaging: –40°C to +80°C
Resistance to soldering heat Max three 40 second reflows at
+260°C, parts cooled to room temperature between cycles
Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30°C /
85% relative humidity)
Failures in Time (FIT) / Mean Time Between Failures (MTBF)
38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332
Packaging 175 per 13″ reel Plastic tape: 44 mm wide, 0.4 mm thick,
32 mm pocket spacing, 11.9 mm pocket depth
PCB washing Tested with pure water or alcohol only. For other solvents,
see Doc787_PCB_Washing.pdf.
InductanceInductance
Leakage
4
Turns ratios6
at Ipk3
DCR max (Ohms) inductance5
Part at 0 A2
Ipk3
1
Output7
number ±10% (µH) min (µH) pri sec bias sync max (µH)
pri : sec pri : bias pri : sync (A)
GA3568-DL_
HA3809-AL_
60
30
54
25
0.132 0.00550.220 0.200
0.0420.010 0.165 0.165
1.20
0.680
1 : 0.1671 : 0.291 : 0.29
1 : 0.1761 : 0.291 : 0.29
1. When ordering, please specify termination and packaging codes:
1
12
Pri
1
2
5
Bias
6
8
10
Sec
9
7
11
Sync
12
Primary windings and secondary
windings each to be connected in
parallel on PC board.
10
8
3
Pri
Sec
1
9
7
11
5
Bias
6
Sync
12
Secondary windings to be
connected in parallel on
PC board.
1
0.930
23,62
GA3568-DL
XXXXY
6
0.810 max
20,57
7
1.181 max
30,00
Parts manufactured prior
to December 2011 may
be marked differently.
0.425 max
10,80
0.004 /0,10
0.827
21,00
0.969
24,60
GA3568-DLHA3809-AL
4
3
3.3 V, 9.1 A
3.3 V, 9.1 A
Dot indicates pin 1
HA3809-ALD
Termination:L =RoHS tin-silver (96.5/3.5) over tin over nickel over phos bronze.
Special order: T = RoHS tin-silver-copper (95.5/4/0.5) or
S = non-RoHS tin-lead (63/37).
Packaging:D
=13″ machine-ready reel. EIA-481 embossed plastic tape (175 parts per full reel).
B=Less than full reel. In tape, but not machine ready. To have a leader and trailer
added ($25 charge), use code letter D instead.
2. Inductance is for the primary, measured at 300 kHz, 0.7 Vrms. For the GA3568-DL inductance is per
winding.
3. Peak primary current drawn at minimum input voltage.
4. DCR for the secondary is with the windings connected in parallel. For GA3568-DL DCR for the primary
is with both windings connected in parallel.
5. Leakage inductance is for the primary windings with the secondary windings shorted.
6. Turns ratios are for the primary (windings connected in parallel for the GA3568-DL) and with the secondary windings connected in parallel.
7. Output of the secondary is with the windings connected in parallel. Bias winding output is 5 V, 20 mA.
8. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
2.6
3.9
0.050
1,27
0.080
2,03
0.028
0,711
6
7
1
12
Recommended
Land Pattern
0.130
3,30
0.118
3,0
Dimensions are in
US +1-847-639-6400 [email protected]
UK +44-1236-730595 [email protected]
Taiwan +886-2-2264 3646 [email protected]
China +86-21-6218 8074 [email protected]
Singapore + 65-6484 8412 [email protected]
inches
mm
0.118
3,0
Document 853 Revised 05/18/10
© Coilcraft Inc. 2013
This product may not be used in medical or high
risk applications without prior Coilcraft approval.
Specification subject to change without notice.
Please check web site for latest information.