MP2176 – 6V, 6A, SYNCHRONOUS, STEP-DOWN CONVERTER

MP2176 Rev. 1.0

www.MonolithicPower.com

20

4/17/2018

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© 2018 MPS. All Rights Reserved.

Table 1: Inductor Selection Guide

Part Number

Manufacturer

Inductance

(µH)

DCR

(mΩ)

Current

Rating (A)

Dimensions

L x W x H (mm3)

Switching

Frequency

(kHz)

FDU1250C-R50M

TOKO

0.50

1.3

46.3

13.3 x 12.1 x 5

1000

FDU1250C-R56M

TOKO

0.56

1.6

42.6

13.3 x 12.1 x 5

800 - 1000

FDU1250C-R75M

TOKO

0.75

1.7

32.7

13.3 x 12.1 x 5

600 - 800

FDU1250C-1R0M

TOKO

1.0

2.2

31.3

13.3 x 12.1 x 5

600

Table 2: COUT POSCAP, 600kHz, 5VIN

VOUT

(V)

L

(

μH)

R1

(k

Ω)

R2

(k

Ω)

R7

(k

Ω)

1.0

1.0

19.8

30

300

1.2

1.0

29.4

30

365

1.5

1.0

29.4

20

453

1.8

1.0

39.2

20

549

3.3

1.0

44.2

10

1000

Table 3: COUT POSCAP, 800kHz, 5VIN

VOUT

(V)

L

(

μH)

R1

(k

Ω)

R2

(k

Ω)

R7

(k

Ω)

1.0

0.75

20

30

210

1.2

0.75

20

20

270

1.5

0.75

30

20

330

1.8

0.75

39

20

499

3.3

0.75

44.2

10

750

Table 4: COUT Ceramic, 600kHz, 5VIN

VOUT

(V)

L

(

μH)

R1

(k

Ω)

R2

(k

Ω)

R4

(k

Ω)

C4

(pF)

R7

(k

Ω)

1.0

1.0

21

30

240

470

309

1.2

1.0

33

30

220

470

365

1.5

1.0

51

30

330

390

464

1.8

1.0

45

20

270

470

549

3.3

1.0

62

10

160

680

953

Table 5: COUT Ceramic, 800kHz, 5VIN

VOUT

(V)

L

(

μH)

R1

(k

Ω)

R2

(k

Ω)

R4

(k

Ω)

C4

(pF)

R7

(k

Ω)

1.0

0.75

21

30

200

470

226

1.2

0.75

34

30

200

470

270

1.5

0.75

34

20

220

470

324

1.8

0.75

47.5

20

225

470

402

3.3

0.75

57.6

10

200

560

750