LM2585SADJNOPB NATIONAL, LM2585SADJNOPB Datasheet - Page 16

• Manufacturer Part Number: LM2585SADJNOPB
• Manufacturer: NATIONAL

www.national.com
TRANSFORMER SELECTION (T)
Figure 13 lists the standard transformers available for flyback
regulator applications. Included in the table are the turns ratio
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]
Applications
Transformers
V
V
I
N
V
I
N
V
I
N
OUT1
OUT2
OUT3
Transform
IN
OUT1
1
OUT2
2
OUT3
3
Type
T5
T6
T7
er
(Max)
(Max)
(Max)
(Note 15)
Coilcraft
Q4338-B
Q4339-B
S6000-A
Phone: [phone]
Figure 7
4V–6V
3.3V
1.4A
T7
1
Surface Mount
(Note 15)
Coilcraft
Q4437-B
Q4438-B
S6057-A
FIGURE 14. Transformer Manufacturer Guide
FIGURE 13. Transformer Selection Table
Figure 8
4V–6V
5V
1A
T7
1
Manufacturers' Part Numbers
Surface Mount
Figure 9
8V–16V
PE-68413
PE-68414
0.8A
(Note 16)
12V
16
T7
1
Pulse
—
(s) for each transformer, as well as the output voltages, input
voltage ranges, and the maximum load currents for each cir-
cuit.
Figure 10
4V–6V
0.15A
0.15A
−12V
12V
1.2
1.2
T6
PE-68482
(Note 16)
Pulse
—
—
Figure 11
18V–36V
−12V
0.6A
0.6A
12V
(Note 17)
1.2
1.2
T6
RL-5532
RL-5533
RL-5751
Renco
Figure 12
18V–36V
67140890
67140900
(Note 18)
0.25A
0.25A
−12V
Schott
1.8A
1.15
1.15
26606
12V
0.5
T5
5V