LM2575, NCV2575
INDUCTOR VALUE SELECTION GUIDE
60
20
60
H1000
H1500
40
25
20
L680
15
10
H1000
L680
L470
15
12
8.0
7.0
L470
L330
L220
10
L330
L150
6.0
9.0
L220
8.0
L100
L150
5.0
0.2
7.0
0.2
0.3
0.4
0.5
0.6
0.8
1.0
0.3
0.4
0.5
0.6 0.7 0.8 0.9 1.0
I , MAXIMUM LOAD CURRENT (A)
L
I , MAXIMUM LOAD CURRENT (A)
L
Figure 17. LM2575−3.3
Figure 18. LM2575−5.0
60
60
H2200
H2200
40
30
40
35
30
H1500
H1000
H1500
H1000
25
H680
25
22
H680
H470
H470
L220
20
18
17
20
19
L680
L680
16
15
L470
0.5
L470
0.5
L330
L330
18
L220
17
0.2
14
0.2
0.3
0.4
0.6 0.7 0.8 0.9 1.0
0.3
0.4
0.6 0.7 0.8 0.9 1.0
I , MAXIMUM LOAD CURRENT (A)
L
I , MAXIMUM LOAD CURRENT (A)
L
Figure 19. LM2575−12
Figure 20. LM2575−15
200
150
125
H2200
H1500
H1000
H680
L220
100
H470
80
70
60
L680
50
L470
40
L330
0.5
30
20
L150
L100
0.6 0.7 0.8 0.9 1.0
0.2
0.3
0.4
I , MAXIMUM LOAD CURRENT (A)
L
Figure 21. LM2575−Adj
NOTE: This Inductor Value Selection Guide is applicable for continuous mode only.
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