EV2147-D-00A – 4A, 5.5V, 1.2MHZ, SYNC STEP-DOWN SWITCHER

EV2147-D-00A Rev.1.0

www.MonolithicPower.com

2

5/23/2014

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EVALUATION BOARD SCHEMATIC

EV2147-D-00A BILL OF MATERIALS

Qty

RefDes

Value Description

Package

Manufacturer Manufacturer P/N

2

C1, C2

10μF

Ceramic Cap,10V,X5R

0805

muRata

GRM21BR61A106KE19L

1

C3

0.1μF

Ceramic Cap,16V,X7R

0603

muRata

GRM188R71C104KA01D

1

C4

1μF

Ceramic Cap,6.3V,X7R

0603

muRata

GRM188R60J105KA01D

2

C6,C7

22μF

Ceramic Cap,10V,X5R

0805

muRata

GRM21BR61A226ME51L

1

L1

0.47μH Inductor, 14.5A, 14mΩ

4x4mm

Wurth

744 373 240 047

1

R1

200K

Film Res,1%

0603

ROYAL

RL0603FR-07200KL

1

R2

200K

Film Res,1%

0603

ROYAL

RL0603FR-07200KL

1

R5

100K

Film Res,5%

0603

ROYAL

RC0603JR-07100KL

1

U1

MP2147

Synchronous step-down

switcher

QFN12

(2x3mm)

MPS

MP2147GD

0

C5,C8,

C9,C10,

R3,R4,R6

NS