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AS1340

Datasheet - A p p l i c a t i o n I n f o r m a t i o n

Inductor Selection

For the external inductor, a 6.8µH inductor is recommended. Minimum inductor size is dependant on the desired effi-

ciency and output current. Inductors with low core losses and small DCR at 1MHz are recommended.

Table 4. Recommended Inductors

Part Number

L

DCR

Current Rating Dimensions (L/W/T)

Manufacturer

LPS4018-472ML_

4.7µH

0.125

Ω

1.9A

4.4x4.4x1.7mm

Coilcraft

www.coilcraft.com

ME3220-472ML_

4.7µH

0.190

Ω

1.5A

3.2x2.8x2mm

MOS6020-472ML_

4.7µH

0.050

Ω

1.94A

6.8x6x2.4mm

MSS6122-472ML_

4.7µH

0.065

Ω

1.82A

6.1x6.1x6mm

LPS4018-682ML_

6.8µH

0.150

Ω

1.3A

4.4x4.4x1.7mm

ME3220-682ML_

6.8µH

0.270

Ω

1.2A

3.2x2.8x2mm

MOS6020-682ML_

6.8µH

0.078

Ω

1.72A

6.8x6x2.4mm

MSS6122-682ML_

6.8µH

0.100

Ω

1.50A

6.1x6.1x6mm

0

10

20

30

40

50

60

70

80

90

100

1

10

100

Output Current (mA)

MOS6020-472

MOS6020-682

MSS6122-472

MSS6122-682

0

10

20

30

40

50

60

70

80

90

100

110

100

Output Current (mA)

LPS4018-472

LPS4018-682

ME3220-472

ME3220-682

0

10

20

30

40

50

60

70

80

90

100

110

100

Output Current (mA)

LPS4018-472

LPS4018-682

ME3220-472

ME3220-682

0

10

20

30

40

50

60

70

80

90

100

110

100

Output Current (mA)

MOS6020-472

MOS6020-682

MSS6122-472

MSS6122-472