EV3308DL-00A – 1.3A FIXED FREQUENCY WHITE LED DRIVER EVALUATION BOARD

EV3308DL-00A Rev. 1.0

www.MonolithicPower.com

2

3/20/2012

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

© 2012 MPS. All Rights Reserved.

EVALUATION BOARD SCHEMATIC

VIN

GND

EN

PWMB

4.7

6V

C1

4.7

6V

C2

3.3

L1

B0530

D1

2.2

5V

C3

160k

R3

10k

R4

NS

C6

LED+

LED-

NC

C5

100k

R11

0.1

C4

100

R5

JP1

1

R1

NS

R2

68nF

C8

68nF

C9

10nF

C7

100k

R10

100k

R9

PWMA

Bias

10k

R6

10k

R7

10k

R8

GND1

PWMOB

8

PGND

2

LED

12

FSET

7

PWMIA

4

SW

1

GND

10

ISET

13

IN

3

EN

6

GND

14

OVP

11

PWMOA

9

PWMIB

5

U1 MP3308

33nF

C10

LED+

900

R12

D2

Bias

EV3305DD-00A BILL OF MATERIALS

Qty

Ref

Value

Description

Package

Manufacturer

Part Number

2

C1, C2

4.7µF

Ceramic

Capacitor,50V,X7R

1210

muRata

GRM31CR71C475KA01

1

C3

2.2µF

Ceramic

Capacitor,25V,X7R

1210

muRata

GRM31CR71E225KA88L

1

C4

0.1µF

Ceramic

Capacitor,16V,X7R

0603

muRata

GRM188R71C104KA01D

2

C5,C6

NC

0603

1

C7

10nF

Ceramic

Capacitor,50V,X7R

0603

muRata

GRM188R71H103KA01D

2

C8,C9

68nF

Ceramic

Capacitor,50V,X7R

0603

muRata

GRM188R71H683KA93D

1

C10

33n

Ceramic

Capacitor,50V,X7R

0603

muRata

GRM188R71H333KA61D

1

D1

B0530W

SOD-123

Diodes

B0530W

1

D2

NC

1

L1

3.3µH

Inductor,2.08A

SMD

TOKO

D63CB-A916CY-3R3M

1

R1

1Ω

Film Resistor,1%

0805

Yageo

RC0805FR-071RL

1

R2

NC

0805

1

R3

160kΩ Film Resistor,1%

0603

Yageo

RC0603FR-07160KL

4

R4,R6,

R7,R8

10kΩ

Film Resistor,1%

0603

Yageo

RC0603FR-0710KL

1

R5

100Ω

Film Resistor,1%

0603

Yageo

RC0603FR-07100RL

3

R9,,R10,

R11

100kΩ Film Resistor,1%

0603

Yageo

RC0603FR-07100KL

1

R12

910Ω

Film Resistor,1%

0603

Yageo

RC0603FR-070K91L

1

U1

Step-Up White LED

Driver

QFN14

MPS

MP3308DL R0