
Table 5. Inductor Selection Guide
Vendor/Model
Value
(
μ
H)
Max
I
DC
(A)
Max
DCR
(
)
Core
Type
Core
Material
Package Dimensions (mm)
W
L
H
Sumida
CR75
CR75
CR75
CDH74
CDH74
CDH74
CDRH5D28
CDRH5D28
CDRH5D28
CDRH6D28
CDRH6D28
CDRH6D28
CDRH6D28
CDRH6D38
CDRH6D38
CDRH6D38
CDRH6D38
CDRH104R
CDRH104R
CDRH104R
CDRH104R
Toko
D53LC Type A
D53LC Type A
D53LC Type A
D53LC Type A
D75C
D75C
D75C
D75C
D104C
D104C
D104C
D10FL
D10FL
D10FL
Coilcraft
DO3308
DO3308
DO3308
DO3316
DO3316
DO3316
10
15
22
10
15
22
6.8
10
15
6.8
10
15
22
6.8
10
15
22
6.8
10
15
22
2.3
1.8
1.5
2.75
2.1
1.7
1.6
1.3
1.1
2.3
1.7
1.6
1.3
2.3
2.0
1.6
1.3
4.8
4.4
3.6
2.9
0.070
0.090
0.110
0.056
0.083
0.130
0.053
0.065
0.103
0.031
0.065
0.057
0.096
0.031
0.038
0.057
0.096
0.027
0.035
0.050
0.073
Open
Open
Open
Open
Open
Open
Shielded
Shielded
Shielded
Shielded
Shielded
Shielded
Shielded
Shielded
Shielded
Shielded
Shielded
Shielded
Shielded
Shielded
Shielded
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
7.0
7.0
7.0
7.3
7.3
7.3
5.5
5.5
5.5
6.7
6.7
6.7
6.7
6.7
6.7
6.7
6.7
10.1
10.1
10.1
10.1
7.8
7.8
7.8
8.0
8.0
8.0
5.7
5.7
5.7
6.7
6.7
6.7
6.7
6.7
6.7
6.7
6.7
10.0
10.0
10.0
10.0
5.5
5.5
5.5
5.2
5.2
5.2
5.5
5.5
5.5
3.0
3.0
3.0
3.0
4.0
4.0
4.0
4.0
3.0
3.0
3.0
3.0
6.8
10
15
22
6.8
10
15
22
10
16
22
10
15
22
2.01
1.77
1.40
1.15
1.79
1.63
1.33
1.09
4.3
3.3
2.5
2.26
2.00
1.83
0.068
0.090
0.142
0.208
0.050
0.055
0.081
0.115
0.0265
0.0492
0.0265
0.051
0.066
0.100
Shielded
Shielded
Shielded
Shielded
Shielded
Shielded
Shielded
Shielded
Shielded
Shielded
Shielded
Open
Open
Open
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
5.0
5.0
5.0
5.0
7.6
7.6
7.6
7.6
10.0
10.0
10.0
9.7
9.7
9.7
5.0
5.0
5.0
5.0
7.6
7.6
7.6
7.6
10.0
10.0
10.0
11.5
11.5
11.5
3.0
3.0
3.0
3.0
5.1
5.1
5.1
5.1
4.3
4.3
4.3
4.0
4.0
4.0
10
15
22
10
15
22
2.4
2.0
1.6
3.8
3.0
2.6
0.030
0.040
0.050
0.030
0.040
0.050
Open
Open
Open
Open
Open
Open
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
9.4
9.4
9.4
9.4
9.4
9.4
13.0
13.0
13.0
13.0
13.0
13.0
3.0
3.0
3.0
5.1
5.1
5.1
ZA3020
2A Step-Down, PWM, Switch-Mode
DC-DC Regulators
ZA3020 Rev. 3.
5
2003-04-
22
www.vimicro.com
8