EV2307DN-00A – 3A, 23V, 340KHz SYNCHRONOUS STEP-DOWN CONVERTER

EVALUATION BOARD – INITIAL RELEASE

EV2307DN-00A Rev. 1.1f

www.MonolithicPower.com

2

9/14/2005

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

© 2005 MPS. All Rights Reserved.

TM

EVALUATION BOARD SCHEMATIC

EN

SS

VIN

GND

D1

B130LAW-7

(optional)

C3

3.3nF

C4

NS

VOUT

3.3V / 3A

GND

EV2307_S01

C7

NS

R5

NS

C1

10nF

MP2307

U1

BS

IN

SW

GND

8

7

6

5

1

2

3

4

SS

EN

COMP

FB

EV2307DN-00A BILL OF MATERIALS

Qty

Ref

Value

Description

Package

Manufacturer

Manufacturer P/N

1

C1

10nF

Ceramic Cap, 50V, X7R

SM0805

TDK

C2012X7R1H103K

2

C2, C8

10µF

Ceramic Cap, 25V, X7R

SM1210

TDK

C3225X7R1E106M

1

C3

3.3nF

Ceramic Cap, 50V, X7R

SM0805

Panasonic

ECJ-2VB1H332K

2

C4, C7

NS

Not Stuffed

2

C5, C9

22µF

Ceramic Cap, 16V, X5R

SM1210

TDK

C3225X5R1C226M

1

C6

0.1µF

Ceramic Cap, 50V, X7R

SM0805

TDK

C2012X7R1H104K

1

D1

Diode Schottky, 30V, 1A

SOD-123 Diodes Inc

B130LAW-7

1

L1

10µH

Inductor, 4A

SMD

Sumida

CDR8D43

1

R1

26.1kΩ

Resistor, 1%

SM0805

Any

1

R2

5.6kΩ

Resistor, 5%

SM0805

Any

1

R3

10kΩ

Resistor, 1%

SM0805

Any

1

R4

100kΩ

Resistor

SM0805

Any

1

R5

NS

Not Stuffed

1

U1

Step-Down Converter

SO8

MPS

MP2307DN