Datasheet

LM2586
www.ti.com
SNVS121D MAY 1996REVISED APRIL 2013
TRANSFORMER SELECTION (T)
Table 1 lists the standard transformers available for flyback regulator applications. Included in the table are the
turns ratio(s) for each transformer, as well as the output voltages, input voltage ranges, and the maximum load
currents for each circuit.
Table 1. Transformer Selection Table
Applications Figure 25 Figure 26 Figure 27 Figure 28 Figure 29 Figure 30
Transformers T7 T7 T7 T6 T6 T5
V
IN
4V–6V 4V–6V 8V–16V 4V–6V 18V–36V 18V–36V
V
OUT1
3.3V 5V 12V 12V 12V 5V
I
OUT1
(Max) 1.4A 1A 0.8A 0.15A 0.6A 1.8A
N
1
1 1 1 1.2 1.2 0.5
V
OUT2
12V 12V 12V
I
OUT2
(Max) 0.15A 0.6A 0.25A
N
2
1.2 1.2 1.15
V
OUT3
12V
I
OUT3
(Max) 0.25A
N
3
1.15
Table 2. Transformer Manufacturer Guide
Transformer Manufacturers' Part Numbers
Type
Coilcraft
(1)
Pulse
(2)
Coilcraft
(1)
Pulse
(2)
Renco
(3)
Schott
(4)
Surface Mount Surface Mount
T5 Q4338-B Q4437-B PE-68413 RL-5532 67140890
T6 Q4339-B Q4438-B PE-68414 RL-5533 67140900
T7 S6000-A S6057-A PE-68482 RL-5751 26606
(1) Coilcraft Inc., Phone: (800) 322-2645
1102 Silver Lake Road, Cary, IL 60013 Fax: (708) 639-1469
European Headquarters, 21 Napier Place Phone: +44 1236 730 595
Wardpark North, Cumbernauld, Scotland G68 0LL Fax: +44 1236 730 627
(2) Pulse Engineering Inc., Phone: (619) 674-8100
12220 World Trade Drive, San Diego, CA 92128 Fax: (619) 674 -8262
European Headquarters, Dunmore Road Phone: +353 93 24 107
Tuam, Co. Galway, Ireland Fax: +353 93 24 459
(3) Renco Electronics Inc., Phone: (800) 645-5828
60 Jeffryn Blvd. East, Deer Park, NY 11729 Fax: (516) 586-5562
(4) Schott Corp., Phone: (612) 475-1173
1000 Parkers Lane Road, Wayzata, MN 55391 Fax: (612) 475-1786
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