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