AS1345 datasheet(19/29 Pages) AMSCO

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ams Datasheet, Confidential: 2013-Nov [1-51]

AS1345 – 19

Detaile d Desc rip t ion

Inductor Selection

For best efficiency, choose an inductor with high frequency core

material, such as ferrite, to reduce core losses. The inductor

should have low DCR (DC resistance) to reduce the I²R losses,

and must be able to handle the peak inductor current without

saturating. A 10μH to 22μH inductor with greater than 500mA

current rating and less than 500m

Ω DCR is recommended.

When smaller peak currents are selected, the inductor current

specification can be reduced accordingly.

Figure 22:

Recommended Inductors

Part Number

Value

Current

Resistance

Size (ins)

Supplier

ELJLA100KF

10μH

600mA

0.71

1210

Panasonic

www.panasonic.com

ELJLA220KF

22μH

420mA

1.9

1210

ELJPA100KF2

10μH

400mA

0.35

1210

ELJPA220KF2

22μH

290mA

0.66

1210

ELJPA100KF

10μH

240mA

0.5

1210

ELJPA150KF

15μH

220mA

0.74

1210

ELJPA220KF

22μH

185mA

1.15

1210

ELJPC100MF3

10μH

140mA

0.58

1008

ELJPC220MF3

22μH

100mA

1.22

1008

LQH32PN100MNO

10μH

750mA

0.38

1210

Murata

Manufacturing

Company

www.murata.com

LQH32PN150MNO

15μH

600mA

0.57

1210

LQH32PN220MNO

22μH

500mA

0.81

1210

LQH3NPN100NGO

10μH

500mA

0.38

1212

LQH3NPN150NGO

15μH

370mA

0.91

1212

LQH3NPN220NGO

22μH

340mA

1.1

1212

LQH2MCN100M52

10μH

200mA

2.27

0806

LQH2MCN150M52

15μH

150mA

3.5

0806

LQH2MCN220M52

22μH

130mA

5.5

0806

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