LTC3370_15 Datasheet, PDF (18/24 Pages) Linear Technology – 4-Channel 8A Configurable Buck DC/DCs

LTC3370
Applications Information
Table 2. Recommended Inductors for 1A Buck Regulators
PART NUMBER
IHLP1212ABER1R0M-11
L (µH)
1.0
MAX I_DC (A)
3
1239AS-H-1R0N
1
2.5
XFL4020-222ME
2.2
3.5
1277AS-H-2R2N
2.2
2.6
IHLP1212BZER2R2M-11
2.2
3
XFL4020-332ME
3.3
2.8
IHLP1212BZER3R3M-11
3.3
2.7
Table 3. Recommended Inductors for 2A Buck Regulators
PART NUMBER
XFL4020-102ME
L (µH)
1.0
MAX I_DC (A)
5.1
74437324010
1
5
XAL4020-222ME
2.2
5.6
FDV0530-2R2M
2.2
5.3
IHLP2020BZER2R2M-11
2.2
5
XAL4030-332ME
3.3
5.5
FDV0530-3R3M
3.3
4.1
Table 4. Recommended Inductors for 3A Buck Regulators
PART NUMBER
XAL4020-102ME
L (µH)
1.0
MAX I_DC (A)
8.7
FDV0530-1R0M
1
8.4
XAL5030-222ME
2.2
9.2
IHLP2525CZER2R2M-01
2.2
8
74437346022
2.2
6.5
XAL5030-332ME
3.3
8.7
SPM6530T-3R3M
3.3
7.3
Table 5. Recommended Inductors for 4A Buck Regulators
PART NUMBER
XAL5030-122ME
L (µH)
1.2
MAX I_DC (A)
12.5
SPM6530T-1R0M120
1
14.1
XAL5030-222ME
2.2
9.2
SPM6530T-2R2M
2.2
8.4
IHLP2525EZER2R2M-01
2.2
13.6
XAL6030-332ME
3.3
8
FDVE1040-3R3M
3.3
9.8
MAX DCR (mΩ)
38
65
23.5
84
46
38.3
61
SIZE IN mm (L × W × H)
3 × 3.6 × 1.2
2.5 × 2.0 × 1.2
4 × 4 × 2.1
3.2 × 2.5 × 1.2
3 × 3.6 × 1.2
4 × 4 × 2.1
3 × 3.6 × 1.2
MANUFACTURER
Vishay
Toko
CoilCraft
Toko
Vishay
CoilCraft
Vishay
MAX DCR (mΩ)
11.9
27
38.7
15.5
37.7
28.6
34.1
SIZE IN mm (L × W × H)
4 × 4 × 2.1
4.45 × 4.06 × 1.8
4 × 4 × 2.1
6.2 × 5.8 × 3
5.49 × 5.18 × 2
4 × 4 × 3.1
6.2 × 5.8 × 3
MANUFACTURER
CoilCraft
Würth Elektronik
CoilCraft
Toko
Vishay
CoilCraft
Toko
MAX DCR (mΩ)
14.6
11.2
14.5
20
20
23.3
27
SIZE IN mm (L × W × H)
4 × 4 × 2.1
6.2 × 5.8 × 3
5.28 × 5.48 × 3.1
6.86 × 6.47 × 3
7.3 × 6.6 × 2.8
5.28 × 5.48 × 3.1
7.1 × 6.5 × 3
MANUFACTURER
CoilCraft
Toko
CoilCraft
Vishay
Würth Elektronik
CoilCraft
TDK
MAX DCR (mΩ)
9.4
7.81
14.5
19
20.9
20.81
10.1
SIZE IN mm (L × W × H)
5.28 × 5.48 × 3.1
7.1 × 6.5 × 3
5.28 × 5.48 × 3.1
7.1 × 6.5 × 3
6.86 × 6.47 × 5
6.36 × 6.56 × 3.1
11.2 × 10 × 4
MANUFACTURER
CoilCraft
TDK
CoilCraft
TDK
Vishay
CoilCraft
Toko
3370f
18
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