EV2488DN-00A – HIGHT VOLTAGE WHITE LED DRIVER EVALUATION BOARD

EV2488DN-00A Rev. 1.1

www.MonolithicPower.com

2

12/11/2009

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

© 2009 MPS. All Rights Reserved.

EVALUATION BOARD SCHEMATIC

C4

2.2uF

100V

C11

0.1uF

VIN

GND

EN

C5

0.1uF

100V

R1

NS

VIN

EN

FREQ

GND COMP

FB

MP2488

5

3

4

1

8

7

2

6

SW

BST

C7

22nF

50V

C9

470pF

50V

C3

0.1uF

100V

C2

2.2uF

100V

L1

47uH

10WLED @ 330mA

LED+

LED-

U1

D1

B180

C10

NS

R9

NS

C1

100nF

C6

NS

C8

1nF

EV2488DN-00A BILL OF MATERIALS

Qty

Ref

Value

Description

Package

Manufacturer

Manufacturer P/N

1

C8

1nF/50V

Cemaric

capacitor,50V,X7R

0603

TDK

C1608X7R1H102K

1

C7

22nF/50V

Cemaric

capacitor,50V,X7R

0603

TDK

C1608X7R1H223K

1

C1

100nF/50V

Cemaric

capacitor,50V,X7R

0603

TDK

C1608X7R1H104K

1

C9

470pF/50V

Cemaric

capacitor,50V,X7R

0603

TDK

C1608X7R1H471K

1

C6

NS

3

C3,C5,C11

0.1µF/100V

Cemaric

capacitor,100V,X7R

0805

TDK

C2012X7R2A104K

1

C10

NS

2

C2,C4

2.2µF/100V

Cemaric

capacitor,100V,X7R

1210

TDK

C3225X7R2A225K

1A/90V

schottky diode 90V, 1A

SMA

TDK

B190A

1

D1

1A/80V

schottky diode 80V, 1A

SMA

TDK

B180-7-F

1

U1

WLED Driver

SOIC8E

MPS

MP2488DN

1

R2

0Ω

Film, 5%

0603

Yageo

RC0603JR-070RL

1

R8

4.02kΩ

Film, 1%

0603

Yageo

RC0603FR-074k02L

1

R6

20kΩ

Film, 1%

0603

Yageo

RC0603FR-0720KL

1

R7

487kΩ

Film, 1%

0603

Yageo

RC0603FR-074878KL

1

R1

NS

3

R3,R4,R5

1.82Ω

Film, 1%

0805

Yageo

RC0805FR-071R82L

1

R9

NS

47µH

Inductor,

47µH,

130mΩ,1.2A

SMD

TDK

SLF7055T-470M1R2-

3PF

1

L1

47µH

Inductor,

47µH,

175mΩ,1.7A

SMD

TOKO

DS104C2-B952AS-

470MP3