EV2108DQ/DK-00A – 2A, 6V, 720KHz SYNCHRONOUS BUCK CONVERTER

EVALUATION BOARD

EV2108DQ/DK-00A Rev. 1.0

www.MonolithicPower.com

2

3/2/2006

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

© 2006 MPS. All Rights Reserved.

TM

EVALUATION BOARD SCHEMATIC

MP2108

U1

LX

VIN

BST

1

3

7

4

5

9

8

6

10

2

FB

COMP

SS

PGND

SGND

VREF

RUN

VOUT

VOUT

VIN

GND

EV2108_S01

C7

10nF

C1

NS

C6

NS

C11

NS

C3

10nF

D1

1N5819

D2

Opt.

D3

Opt.

C5

3.3nF

C10

10nF

R5

NS

C4

NS

C9

NS

VIN

GND

EN

EV2108DQ/DK-00A BILL OF MATERIALS

Qty

Ref

Value

Description

Package

Manufacturer Manufacturer P/N

5

C1, C4, C6,

C9, C11

NS

Not Stuffed

1

C2

10µF

Ceramic Cap, 10V, X5R

SM1210

TDK

C3225X5R1A106K

3

C3, C7, C10

10nF

Ceramic Cap, 50V, X7R

SM0805

TDK

C2012X7R1H103K

1

C5

3.3nF Ceramic Cap, 50V, X7R

SM0805

Panasonic

ECJ-2VB1H332K

1

C8

22µF

Ceramic Cap, 6.3V, X5R

SM1210

TDK

C3225X5R0J226M

1

D1

Schottky Diode, 40V, 1A

SOD123 Diodes Inc

1N5819HW-7

2

D2, D3

Do Not Stuff

1

L1

5µH

Inductor, 2.2A

SMD

Sumida

CDRH6D26-5R0

1

R1

100kΩ Resistor, 5%

SM0805

Panasonic

ERJ-6GEYJ104V

1

R2

6.8kΩ Resistor, 5%

SM0805

Panasonic

ERJ-6GEYJ682V

2

R3, R4

10kΩ

Resistor, 1%

SM0805

Panasonic

ERJ-6ENF1002V

1

R5

NS

Not Stuffed

1

U1

DC-DC Converter

MSOP10/

QFN10

MPS

MP2108DQ/DK