LM2575D2T-ADJ 데이터 시트보기 (PDF) - Motorola => Freescale
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LM2575D2T-ADJ Datasheet PDF : 28 Pages
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LM2575
INDUCTOR VALUE SELECTION GUIDE
Figure 17. LM2575–3.3
60
H1000
20
15
L680
10
L470
8.0
L330
7.0
L220
6.0
L150
L100
5.0
0.2
0.3
0.4 0.5 0.6
0.8 1.0
IL, MAXIMUM LOAD CURRENT (A)
Figure 18. LM2575–5.0
60
40 H1500
25
20
H1000
L680
15
12
L470
10
L330
9.0
L220
8.0
L150
7.0
0.2
0.3
0.4 0.5 0.6 0.7 0.8 0.9 1.0
IL, MAXIMUM LOAD CURRENT (A)
Figure 19. LM2575–12
60
40
H2200
30
25
20
H1500
H1000
H680
H470
18
17
L680
16
L470
L330
15
L220
14
0.2
0.3
0.4 0.5 0.6 0.7 0.8 0.9 1.0
IL, MAXIMUM LOAD CURRENT (A)
Figure 20. LM2575–15
60
40
H2200
35
30
H1500
H1000
25
H680
H470
22
20
19
L680
L470 L330
18
L220
17
0.2
0.3
0.4 0.5 0.6 0.7 0.8 0.9 1.0
IL, MAXIMUM LOAD CURRENT (A)
200
150
125
100
80
70
60
50
40
30
20
0.2
Figure 21. LM2575–Adj
H2200
H1500
H1000
H680
H470
L680
L470
L330
L220
L150
L100
0.3
0.4 0.5 0.6 0.7 0.8 0.9 1.0
IL, MAXIMUM LOAD CURRENT (A)
NOTE: This Inductor Value Selection Guide is applicable for continuous mode only.
12
MOTOROLA ANALOG IC DEVICE DATA
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