EV0043 (MP1517) – 3A, 25V, 1.1MHz STEP-UP CONVERTER FOR WLED APPLICATIONS

EVALUATION BOARD

EV0043 (MP1517) Rev. 1.1

www.MonolithicPower.com

2

2/17/2005

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

© 2005 MPS. All Rights Reserved.

EVALUATION BOARD SCHEMATIC

Q1

NMOS

ZXMN6A08E6TA

LED4

LED3

LED2

LED1

MP1517

EN

BP

NC

COMP

SW

SW

PGND

PGND

SGND NC

SS FB

IN

OLS NC SGND

C4

OPEN

C2

OPEN

D1

MBR0540

GATE

SS

IN

OUT

C7

47nF

U1

GND

EN

EV0043_S01

EV0043 BILL OF MATERIALS

Qty

Ref

Value Description

Package Manufacturer P/N

Distributor P/N

1

C1

4.7uF

Capacitor, 25V,

Ceramic X5R

1210

Panasonic

ECJ-4YB1E475K

Digikey

PCC2251CT-ND

2

C2, C4

NS

Do Not Stuff

1

C3

10uF

Capacitor, 6.3V

Ceramic X5R

1210

Taiyo-Yuden

JMK325BJ106MF

1

C7

47nF

Capacitor, 25V,

Ceramic X7R

0603

Panasonic

ECJ-1VB1E473K

Digikey

PCC1771CT-ND

1

D1

Schottky Diode,

0.5A, 40V

SOD123

ON Semi

MBR0540T1

Digikey

MBR0540T1OSCT-ND

1

L1

4.7uH Inductor, 5.6A

Sumida

CDRH8D43-4R7NC

4

LED1, LED2,

LED3, LED4

White LED, 40MCD

1206

Lumex

SML-LX23UWC-TR

Digikey

67-1607-1-ND

1

Q1

N-Channel MOSFET

SOT23-6

Zetex

ZXMN6A08E6TA

Digikey

ZXMN6A08E6CT-ND

1

R1

2.2kΩ Film Resistor, 5%

0603

Panasonic

ERJ-3GEYJ222V

Digikey

P2.2KGCT-ND

2

R2, R3

0

Film Resistor, 5%

0603

Yageo

9C06032A0R00JLHFT

Digikey

311-0.0GCT-ND

1

R4

34.8Ω Film Resistor, 1%

0805

Panasonic

ERJ-6ENF34R8V

Digikey

P34.8CCT-ND

1

R5

5.11Ω Film Resistor, 1%

0805

Yageo

9C08052A5R11FGHFT

Digikey

311-5.11CCT-ND

1

U1

Step-Up Converter

QFN16

MPS

MP1517DR