EV2305DS-00A – 4.75V TO 23V IN, 2A OUT SYNCHRONOUS BUCK CONVERTER

EVALUATION BOARD

EV2305DS-00A Rev. 1.5f

www.MonolithicPower.com

2

9/14/2005

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

© 2005 MPS. All Rights Reserved.

TM

EVALUATION BOARD SCHEMATIC

MP2305

FB

COMP

EN

SS

1

2

3

4

8

7

6

5

BS

IN

SW

GND

R5

OPEN

C5

OPEN

D1

OPEN

C1

10nF

U1

C8

OPEN

C4

OPEN

C3

3.3nF

C7

OPEN

VOUT

3.3V/2A

SW

VIN

4.75V to 23V

SS

EN

EV2305_S01

EV2305DS-00A BILL OF MATERIALS

Item

Qty

Ref

Value

Description

Package Manufacturer Part Number

1

1

C1

10nF

Ceramic Cap, 50V, X7R

SM0805

AVX

08055C103KAT2A

2

1

C2

10µF

Ceramic Cap, 25V, X5R

SM1210

AVX

12103D106KAT2A

3

1

C3

3.3nF

Ceramic Cap, 50V, X7R

SM0805

AVX

08055C332KAT2A

4

4

C4, C5

C7, C8

OPEN

Not Stuffed

5

1

C6

0.1µF

Ceramic Cap, 50V, X7R

SM0805

AVX

08055C104KAT2A

6

1

C9

22µF

Ceramic Cap, 16V, X5R

SM1210

AVX

1210YD226KAT2A

7

1

D1

Do Not Stuff

8

1

L1

10µH

Inductor, 2.5A

SMD

Sumida

CDRH8D28

9

1

R1

26.1kΩ

Resistor, 1%

SM0805

Panasonic

ERJ-6ENF2612V

10

1

R2

5.6kΩ

Resistor, 5%

SM0805

Panasonic

ERJ-6GEYJ562V

11

1

R3

10kΩ

Resistor, 1%

SM0805

Panasonic

ERJ-6ENF1002V

12

1

R4

100kΩ

Resistor, 5%

SM0805

Panasonic

ERJ-6GEYJ104V

13

1

R5

OPEN

Not Stuffed

SM0805

14

1

U1

DC-DC Converter

SO8

MPS

MP2305DS