EV0020 (MP1591DN) – 2A, 32V, 330KHz STEP-DOWN CONVERTER

EVALUATION BOARD

EV0020 (MP1591DN) Rev. 1.5

www.MonolithicPower.com

2

12/21/2005

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

© 2005 MPS. All Rights Reserved.

EVALUATION BOARD SCHEMATIC

C1

10nF

C3

1.8nF

JP1

OFF

D1

B340A-13

U1

MP1591

VIN

BS

SW

FB

GND

REF

COMP

EN

C6

NS

VIN

GND

REF

EN

VOUT

GND

C4

NS

EV0020_S01

EV0020 BILL OF MATERIALS

Qty

Ref

Value

Description

Package Manufacturer

Manufacturer P/N

1

C1

10nF

Ceramic Capacitor, 50V, X7R

0805

AVX

08055C103KAT2A

1

C2

10µF

Ceramic Capacitor, 35V

1210

Taiyo Yuden

GMK325F106MH

1

C3

1.8nF

Ceramic Capacitor, 50V, X7R

0805

AVX

08055C182KAT2A

2

C4, C6

NS

Not Stuffed

1

C5

22µF

Ceramic Capacitor, 10V, 1210

1210

Taiyo Yuden

LMK325BJ226MM

1

D1

Schottky Diode,

40V, 3A, SMA

Diodes Inc

B340A-13

1

R1

47kΩ

Film Resistor, 1%

0805

Yageo

9C08052A4702FKHFT

1

R2

8.2kΩ

Film Resistor, 5%

0805

Panasonic

ERJ-6GEYJ822V

1

R3

15kΩ

Film Resistor, 1%

0805

Yageo

9C08052A1502FKHFT

1

L1

22µH

Inductor, 2.6A

Sumida

CDRH8D43-220

L1

Alternate

22µH

Inductor, 2.5A, Type D104C

Toko

919AS-220M

1

U1

Step-Down Converter

SO8

MPS

MP1591DN