lm2587sx-5.0 National Semiconductor Corporation, lm2587sx-5.0 Datasheet - Page 15

• Manufacturer Part Number: lm2587sx-5.0
• Description: Simple Switcher 5a Flyback Regulator
• Manufacturer: National Semiconductor Corporation

Typical Flyback Regulator Applications
Note 15: Coilcraft Inc.,:
1102 Silver Lake Road, Cary, IL 60013: Fax: [phone]
Note 16: Pulse Engineering Inc.,: Phone: [phone]
12220 World Trade Drive, San Diego, CA 92128: Fax: [phone]
Note 17: Renco Electronics Inc.,: Phone: [phone]
60 Jeffryn Blvd. East, Deer Park, NY 11729: Fax: [phone]
Note 18: Schott Corp.,: Phone: [phone]
1000 Parkers Lane Road, Wayzata, MN 55391: Fax: [phone]
TRANSFORMER FOOTPRINTS
Figures 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28,
29, 30, 31 and Figure 32 show the footprints of each trans-
former, listed in Figure 14.
Applications
Transformers
V
V
I
N
V
I
N
V
I
N
OUT1
OUT2
OUT3
IN
OUT1
OUT2
OUT3
1
2
3
Transformer
(Max)
(Max)
(Max)
Type
T1
T2
T3
T4
FIGURE 15. Coilcraft Q4434-B
Phone: [phone]
Top View
Figure 7
(Note 15)
Coilcraft
Q4434-B
Q4337-B
Q4343-B
Q4344-B
4V–6V
3.3V
1.8A
T1
T1
1
FIGURE 14. Transformer Manufacturer Guide
FIGURE 13. Transformer Selection Table
Figure 8
4V–6V
Coilcraft (Note 15)
1.4A
5V
Surface Mount
T1
01231630
1
Q4435-B
Q4436-B
—
—
Manufacturers’ Part Numbers
Figure 9
8V–16V
1.2A
15
12V
T1
1
(Continued)
Pulse (Note 16)
Surface Mount
PE-68412
PE-68421
PE-68422
PE-68411
Figure 10
4V–6V
−12V
0.3A
0.3A
12V
FIGURE 16. Coilcraft Q4337-B
2.5
2.5
T2
Top View
T2
Figure 11
(Note 17)
18V–36V
RL-5530
RL-5531
RL-5534
RL-5535
Renco
−12V
12V
0.8
0.8
1A
1A
T3
01231631
Figure 12
18V–36V
www.national.com
67141450
67140860
67140920
67140930
(Note 18)
−12V
2.5A
0.5A
0.5A
Schott
0.35
12V
0.8
0.8
T4
5V