EV1570DN-00A – 3A, 23V, 340KHz SYNCHRONOUS STEP-DOWN CONVERTER

EVALUATION BOARD – INITIAL RELEASE

EV1570DN-00A Rev. 1.1

www.MonolithicPower.com

2

4/6/2005

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

© 2005 MPS. All Rights Reserved.

EVALUATION BOARD SCHEMATIC

EN

SS

VIN

GND

SW

D1

OPEN

C3

3.3nF

C4

OPEN

VOUT

TP6

TP7

TP8

TP9 GND

EV1570DN-00A_S01

C7

OPEN

R5

OPEN

C1

10nF

MP1570

U1

BS

IN

SW

GND

8

7

6

5

1

2

3

4

SS

EN

COMP

FB

EV1570DN-00A BILL OF MATERIALS

Qty

Ref

Value

Description

Package Manufacturer

Part Number

1

C1

10nF

Ceramic Capacitor, 50V, X7R

0603

Any

2

C2 C8

10µF

Ceramic Capacitor, 25V, X5R

1210

Taiyo Yuden

TMK325BJ106MM

1

C3

3.3nF

Ceramic Capacitor, 50V, X7R

0603

Any

2

C4 C7

Open

2

C5 C9

22µF

Ceramic Capacitor, 16V, X5R

1210

Taiyo Yuden

EMK325BJ226MM

1

C6

0.1µF

Ceramic Capacitor, 50V, X7R

0805

Any

1

D1

Open

1

L1

10µH

Inductor, 4A

Sumida

CDRH8D43-100NC

1

R1

16.9kΩ Resistor, 1%

0603

Any

1

R2

5.6kΩ

Resistor, 5%

0603

Any

1

R3

10kΩ

Resistor, 1%

0603

Any

1

R4

100kΩ Resistor, 5%

0603

Any

1

R5

Open

1

U1

Synchronous Buck Converter

SO8

MPS

MP1570DN