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LTC3370

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applicaTions inForMaTion

Table 2. Recommended Inductors for 1A Buck Regulators

PART NUMBER

L (µH)

MAX IDC (A)

MAX DCR (mΩ)

SIZE IN mm (L × W × H) MANUFACTURER

IHLP1212ABER1R0M-11

1.0

3 × 3.6 × 1.2

Vishay

1239AS-H-1R0N

2.5

2.5 × 2.0 × 1.2

Toko

XFL4020-222ME

2.2

3.5

23.5

4 × 4 × 2.1

CoilCraft

1277AS-H-2R2N

2.2

2.6

3.2 × 2.5 × 1.2

Toko

IHLP1212BZER2R2M-11

2.2

3 × 3.6 × 1.2

Vishay

XFL4020-332ME

3.3

2.8

38.3

4 × 4 × 2.1

CoilCraft

IHLP1212BZER3R3M-11

3.3

2.7

3 × 3.6 × 1.2

Vishay

Table 3. Recommended Inductors for 2A Buck Regulators

PART NUMBER

L (µH)

MAX IDC (A)

MAX DCR (mΩ)

SIZE IN mm (L × W × H) MANUFACTURER

XFL4020-102ME

1.0

5.1

11.9

4 × 4 × 2.1

CoilCraft

74437324010

4.45 × 4.06 × 1.8

Würth Elektronik

XAL4020-222ME

2.2

5.6

38.7

4 × 4 × 2.1

CoilCraft

FDV0530-2R2M

2.2

5.3

15.5

6.2 × 5.8 × 3

Toko

IHLP2020BZER2R2M-11

2.2

37.7

5.49 × 5.18 × 2

Vishay

XAL4030-332ME

3.3

5.5

28.6

4 × 4 × 3.1

CoilCraft

FDV0530-3R3M

3.3

4.1

34.1

6.2 × 5.8 × 3

Toko

Table 4. Recommended Inductors for 3A Buck Regulators

PART NUMBER

L (µH)

MAX IDC (A)

MAX DCR (mΩ)

SIZE IN mm (L × W × H) MANUFACTURER

XAL4020-102ME

1.0

8.7

14.6

4 × 4 × 2.1

CoilCraft

FDV0530-1R0M

8.4

11.2

6.2 × 5.8 × 3

Toko

XAL5030-222ME

2.2

9.2

14.5

5.28 × 5.48 × 3.1

CoilCraft

IHLP2525CZER2R2M-01

2.2

6.86 × 6.47 × 3

Vishay

74437346022

2.2

6.5

7.3 × 6.6 × 2.8

Würth Elektronik

XAL5030-332ME

3.3

8.7

23.3

5.28 × 5.48 × 3.1

CoilCraft

SPM6530T-3R3M

3.3

7.3

7.1 × 6.5 × 3

TDK

Table 5. Recommended Inductors for 4A Buck Regulators

PART NUMBER

L (µH)

MAX IDC (A)

MAX DCR (mΩ)

SIZE IN mm (L × W × H) MANUFACTURER

XAL5030-122ME

1.2

12.5

9.4

5.28 × 5.48 × 3.1

CoilCraft

SPM6530T-1R0M120

14.1

7.81

7.1 × 6.5 × 3

TDK

XAL5030-222ME

2.2

9.2

14.5

5.28 × 5.48 × 3.1

CoilCraft

SPM6530T-2R2M

2.2

8.4

7.1 × 6.5 × 3

TDK

IHLP2525EZER2R2M-01

2.2

13.6

20.9

6.86 × 6.47 × 5

Vishay

XAL6030-332ME

3.3

20.81

6.36 × 6.56 × 3.1

CoilCraft

FDVE1040-3R3M

3.3

9.8

10.1

11.2 × 10 × 4

Toko

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