LTC3589 datasheet(25/50 Pages) LINER

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LTC3589/LTC3589-1/

LTC3589-2

3589fe

Table 9. Inductors for Step-Down Switching Regulators 2 and 3

MANUFACTURERS

PART NUMBER

VALUE

(μH)

DCR (Ω)

MAX DC

CURRENT (A)

SIZE (mm) W

× L × H

Coilcraft

XPL4020-102ML

XPL4020-152ML

XPL4020-472ML

1.0

1.5

4.7

0.029

0.036

0.130

4.00

3.60

1.90

4.2

× 4.2 × 2.0

4.2

× 4.2 × 2.0

4.2

× 4.2 × 2.0

Cooper

SD14-1R2-R

SD14-3R2-R

SD25-3R3-R

1.2

3.2

3.3

0.034

0.066

0.038

3.35

2.00

2.21

5.2

× 5.2 × 1.45

5.2

× 5.2 × 1.45

4.8

× 4.8 × 2.5

Sumida

CDRH5D16NP-4R7N

CDRH38D16RHPNP-3R3M

4.7

3.3

0.064

0.059

2.05

1.46

5.6

× 5.6 × 1.8

4.2

× 4.2 × 1.8

TDK

VLF5014ST-2R2N2R3

VLCF5020T-2R7N2R2-1

VLCF5020T-3R3N2R0-1

2.2

2.7

3.3

0.073

0.083

0.096

2.3

2.2

4.8

× 4.6 × 1.4

5.0

× 5.0 × 2.0

5.0

× 5.0 × 2.0

TOKO

1124BS-2R4N

1124BS-3R3N

2.4

3.3

0.065

0.074

2.30

2.10

4.5

× 4.7 × 1.8

4.5

× 4.7 × 1.8

Tokin

H-DI-0520-3R3

H-DI-0520-4R7

H-DI-0630-3R8

H-DI-0630-4R7

3.3

4.7

3.8

4.7

0.062

0.090

0.040

0.043

2.00

1.80

2.00

1.90

5.3

× 5.3 × 2.0

5.3

× 5.3 × 2.0

6.3

× 6.3 × 3.0

6.3

× 6.3 × 3.0

Wurth

744043004

744052002

7440530047

744042003

7440430022

4.7

2.5

4.7

3.3

2.2

0.052

0.030

0.055

0.023

1.55

2.4

1.95

2.5

5.0

× 5.0 × 3.0

5.8

× 5.8 × 1.8

5.8

× 5.8 × 2.8

4.8

× 4.8 × 1.8

4.8

× 4.8 × 2.8

OPERATION

Figure 4. Buck-Boost Switching Regulator Application Circuit

3589 F04

PVIN4

BB_OUT

SW4AB

SW4CD

PWM

CONTROL

0.8V

MODE

BB_FB

22μF

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