LM2587SX-ADJ National Semiconductor, LM2587SX-ADJ Datasheet - Page 14
LM2587SX-ADJ
Manufacturer Part Number
LM2587SX-ADJ
Description
IC,SMPS CONTROLLER,CURRENT-MODE,BIPOLAR,SIP,5PIN,PLASTIC
Manufacturer
National Semiconductor
Specifications of LM2587SX-ADJ
Rohs Compliant
NO
Available stocks
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Part Number
Manufacturer
Quantity
Price
Part Number:
LM2587SX-ADJ
Manufacturer:
NS/国半
Quantity:
20 000
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Typical Flyback Regulator Applications
Transformer Selection (T)
Figure 13 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.
Applications
Transformers
V
V
I
N
V
I
N
V
I
N
OUT1
OUT2
OUT3
IN
OUT1
1
OUT2
2
OUT3
3
(Max)
(Max)
(Max)
Figure 7
4V–6V
3.3V
1.8A
T1
1
FIGURE 12. Triple-Output Flyback Regulator
FIGURE 13. Transformer Selection Table
Figure 8
4V–6V
1.4A
T1
5V
1
Figure 9
8V–16V
1.2A
12V
14
T1
1
(Continued)
Figure 10
4V–6V
−12V
0.3A
0.3A
12V
2.5
2.5
T2
Figure 11
18V–36V
−12V
12V
0.8
0.8
T3
1A
1A
DS012316-18
Figure 12
18V–36V
−12V
2.5A
0.35
0.5A
0.5A
12V
0.8
0.8
T4
5V