EV2233-J-00A – 16V, 1.4MHZ, 3A STEP-DOWN CONVERTER

EV2233-J-00A Rev.1.0

www.MonolithicPower.com

2

9/5/2012

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

© 2012 MPS. All Rights Reserved.

EVALUATION BOARD SCHEMATIC

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

MP2233

2

7

1

6

5

R4

20

3.3V/3A

R1

40.2k

R2

13k

C2A

NS R10

10

C3

15pF

R3

0

R9

24k

3

8

IN

BST

SW

SW

FB

VCC

VCC

SS

SS

EN/SYNC

EN/SYNC

C5

22nF

R5

100k

R6

38.3k

VOUT

VIN

EV2233-J-00A BILL OF MATERIALS

Qty

RefDes

Value

Description

Package

Manufacturer

Manufacturer P/N

1

C1

0.1μF

Ceramic Cap., 25V, X7R

0805

muRata

GRM21BR71E104KA01L

1

C1A

22μF

Ceramic Cap., 25V, X5R

1206

muRata

GRM31CR61E226KE15L

1

C2

22μF

Ceramic Cap., 10V, X7R

1206

muRata

GRM31CR70A226KE19L

1

C3

15pF

Ceramic Cap., 50V, C0G

0603

muRata

GRM1885C1H150JA01D

2

C4,C6

0.1μF

Ceramic Cap., 16V, X7R

0603

muRata

GRM188R71C104KA01D

1

C5

22nF

Ceramic Cap., 50V, X7R

0603

muRata

GRM188R71H223KA01D

C2A,C7

NS

1

R1

40.2K

Thick Film Res., 1%

0603

Yageo

RC0603FR-0740K2L

1

R2

13K

Thick Film Res., 1%

0603

Yageo

RC0603FR-0713KL

1

R3

0Ω

Thick Film Res., 1%

0603

Yageo

RC0603JR-070RL

1

R4

20Ω

Thick Film Res., 1%

0603

Yageo

RC0603FR-0720RL

1

R5

100K

Thick Film Res., 1%

0603

Yageo

RC0603FR-07100KL

1

R6

38.3K

Thick Film Res., 1%

0603

Yageo

RC0603FR-0738K3L

1

R9

24K

Thick Film Res., 1%

0603

Yageo

RC0603FR-0724KL

1

R10

10Ω

Thick Film Res., 1%

0603

Yageo

RC0603FR-0710RL

1

L1

1.5μH

Inductor, DCR=10mΩ,

Is=11A

7×7×4

Wurth

744311150

1

U1

MP2233

DJ

Synchronous Step-Down

Convert

TSOT23-8

MPS

MP2233DJ