Datasheet
LM2588
www.ti.com
SNVS117D –APRIL 1998–REVISED APRIL 2013
Table 1. Transformer Selection Table
Applications Figure 23 Figure 24 Figure 25 Figure 26 Figure 27 Figure 28
Transformers T1 T1 T1 T2 T3 T4
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) 1.8A 1.4A 1.2A 0.3A 1A 2.5A
N
1
1 1 1 2.5 0.8 0.35
V
OUT2
−12V −12V 12V
I
OUT2
(Max) 0.3A 1A 0.5A
N
2
2.5 0.8 0.8
V
OUT3
−12V
I
OUT3
(Max) 0.5A
N
3
0.8
Table 2. Transformer Manufacturer Guide
Transformer Manufacturers' Part Numbers
Type
Coilcraft
(1)
Coilcraft Surface Mount
(1)
Pulse Surface Mount
(2)
Renco
(3)
Schott
(4)
T1 Q4434-B Q4435-B PE-68411 RL-5530 67141450
T2 Q4337-B Q4436-B PE-68412 RL-5531 67140860
T3 Q4343-B — PE-68421 RL-5534 67140920
T4 Q4344-B — PE-68422 RL-5535 67140930
(1) Coilcraft Inc.,: Phone: (800) 322-26451102 Silver Lake Road, Cary, IL 60013: Fax: (708) 639-1469European Headquarters, 21
Napier Place: Phone: +44 1236 730 595Wardpark North, Cumbernauld, Scotland G68 0LL: Fax: +44 1236 730 627
(2) Pulse Engineering Inc.,: Phone: (619) 674-810012220 World Trade Drive, San Diego, CA 92128: Fax: (619) 674-8262European
Headquarters, Dunmore Road: Phone: +353 93 24 107Tuam, Co. Galway, Ireland: Fax: +353 93 24 459
(3) Renco Electronics Inc.,: Phone: (800) 645-582860 Jeffryn Blvd. East, Deer Park, NY 11729: Fax: (516) 586-5562
(4) Schott Corp.,: Phone: (612) 475-11731000 Parkers Lane Road, Wayzata, MN 55391: Fax: (612) 475-1786
TRANSFORMER FOOTPRINTS
Figure 29 through Figure 46 show the footprints of each transformer, listed in Table 2.
Figure 29. T1 - Top View Figure 30. T2 - Top View
Coilcraft Q4434-B Coilcraft Q4337-B
Figure 31. T3 - Top View Figure 32. T4 - Top View
Coilcraft Q4343-B Coilcraft Q4344-B
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