EV2149-J-00A–6V, DUAL 1A LOW QUIESCENT CURRENT SYNC BUCK REGULATOR

EV2149-J-00A Rev. 1.0

www.MonolithicPower.com

2

9/17/2014

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

© 2014 MPS. All Rights Reserved.

EVALUATION BOARD SCHEMATIC

10μF

R1

806k

IN

EN1

EN2

SW1

SW2

GND

FB1

FB2

22μF

R2

412k

R3

806k

R4

825k

10μF

VIN

5V

VOUT1

1.8V

VOUT2

1.2V

L1

1.5uH

L2

1.5uH

EN1

EN2

22μF

NS

NS

0.1uF

R5

100k

R6

100k

10μF

10μF

0.1uF

EV2149-J-00A BILL OF MATERIALS

Qty

Ref

Value

Description

Package

Manufacturer

Manufacturer P/N

1

C1

22uF

Ceramic Cap., 16V,

20%, X5R

0805

muRata

GRM21BR60J226ME39L

1

C2

22uF

Ceramic Cap., 16V,

20%, X5R

0805

muRata

GRM21BR60J226ME39L

0

C3A

NS

0

C3B

NS

2

C4, C5

0.1uF

Ceramic Cap,

16V,X7R

0603

muRata

GRM188R71C104KA01D

4

C6, C7,

C8, C9

10uF

Ceramic Cap,

16V, 20%, X5R

0805

muRata

GRM21BR61A106KE19L

2

R1, R3

806k

Thick Film,

1/10W, 1%

0603

royal

RL0603FR-07806KL

1

R2

412k

Thick Film, 1/10W, 1%

0603

royal

RL0603FR-07412KL

1

R4

825k

Thick Film, 1/10W, 1%

0603

royal

RL0603FR-07825KL

2

R5, R6

100k

Thick Film, 1/10W, 1%

0603

royal

RL0603FR-07100KL

2

L1, L2

1.5uH

Inductor, 9.57mohm,

11.5A

Wurth

744312150

1

U1

DC-DC module

TSOT23-8

MPS

MP2149GJ