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ZA3020 Datasheet, PDF (8/10 Pages) List of Unclassifed Manufacturers – 2A STEP DOWN PWM SWITCH MODE DC DC REGULATORS
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ZA3020
2A Step-Down, PWM, Switch-Mode
DC-DC Regulators
Table 5. Inductor Selection Guide
Vendor/Model
Value
(µH)
Max
IDC
(A)
Max
DCR
(ȍ)
Sumida
CR75
10
CR75
15
CR75
22
CDH74
10
CDH74
15
CDH74
22
CDRH5D28
6.8
CDRH5D28
10
CDRH5D28
15
CDRH6D28
6.8
CDRH6D28
10
CDRH6D28
15
CDRH6D28
22
CDRH6D38
6.8
CDRH6D38
10
CDRH6D38
15
CDRH6D38
22
CDRH104R
6.8
CDRH104R
10
CDRH104R
15
CDRH104R
22
Toko
D53LC Type A
6.8
D53LC Type A
10
D53LC Type A
15
D53LC Type A
22
D75C
6.8
D75C
10
D75C
15
D75C
22
D104C
10
D104C
16
D104C
22
D10FL
10
D10FL
15
D10FL
22
Coilcraft
DO3308
10
DO3308
15
DO3308
22
DO3316
10
DO3316
15
DO3316
22
2.3
0.070
1.8
0.090
1.5
0.110
2.75
0.056
2.1
0.083
1.7
0.130
1.6
0.053
1.3
0.065
1.1
0.103
2.3
0.031
1.7
0.065
1.6
0.057
1.3
0.096
2.3
0.031
2.0
0.038
1.6
0.057
1.3
0.096
4.8
0.027
4.4
0.035
3.6
0.050
2.9
0.073
2.01
0.068
1.77
0.090
1.40
0.142
1.15
0.208
1.79
0.050
1.63
0.055
1.33
0.081
1.09
0.115
4.3
0.0265
3.3
0.0492
2.5
0.0265
2.26
0.051
2.00
0.066
1.83
0.100
2.4
0.030
2.0
0.040
1.6
0.050
3.8
0.030
3.0
0.040
2.6
0.050
Core
Type
Core
Package Dimensions (mm)
Material
W
L
H
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
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
Open
Open
Open
Open
Open
Open
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
7.0
7.8
5.5
7.0
7.8
5.5
7.0
7.8
5.5
7.3
8.0
5.2
7.3
8.0
5.2
7.3
8.0
5.2
5.5
5.7
5.5
5.5
5.7
5.5
5.5
5.7
5.5
6.7
6.7
3.0
6.7
6.7
3.0
6.7
6.7
3.0
6.7
6.7
3.0
6.7
6.7
4.0
6.7
6.7
4.0
6.7
6.7
4.0
6.7
6.7
4.0
10.1
10.0
3.0
10.1
10.0
3.0
10.1
10.0
3.0
10.1
10.0
3.0
5.0
5.0
3.0
5.0
5.0
3.0
5.0
5.0
3.0
5.0
5.0
3.0
7.6
7.6
5.1
7.6
7.6
5.1
7.6
7.6
5.1
7.6
7.6
5.1
10.0
10.0
4.3
10.0
10.0
4.3
10.0
10.0
4.3
9.7
11.5
4.0
9.7
11.5
4.0
9.7
11.5
4.0
9.4
13.0
3.0
9.4
13.0
3.0
9.4
13.0
3.0
9.4
13.0
5.1
9.4
13.0
5.1
9.4
13.0
5.1
ZA3020 Rev. 3.5 2003-04-22
www.vimicro.com
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