EV2481DH-01A – 1.2A, 36V, 1.4MHz WHITE LED DRIVER EVAL BOARD

EV2481-H-01A Rev. 1.01

www.MonolithicPower.com

2

4/28/2012

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

© 2012 MPS. All Rights Reserved.

MP2481

SW

FB

BST

VSS

VDD

OVP

EN/DIM

INGND

C4

10nF

1

5

6

2

4

8

7

3

D1

B140

C2

4.7

50

V

C1

1

50V

VIN

EN/DIM

INGND

LED+

LED-

R1

short

R5

open

R4

open

JP1

open

short for buck-boost mode

JP2

C3

open

L1

4.7

C5

2.2

25V

EV2481-H-01A BILL OF MATERIALS

Qty

Ref

Value

Description

Package

Manufacturer

Manufacturer P/N

1

C1

1µF

Ceramic

Capacitor,50V,X7R

1206

TDK

C3216X7R1H105K

1

C2

4.7µF

Ceramic

Capacitor,50V,X7R

1210

Murata

GRM32ER71H475KA88L

1

C3

open

1

C4

10n

Ceramic

Capacitor,50V,X7R

0603

TDK

C1608X7R1H103K

1

C5

2.2µF

Ceramic

Capacitor,25V,X7R

1206

Murata

GRM31MR71E225KA93L

1

D1

B140

Diode Schottky

SMA

Diodes Inc.

B140-13-F

1

L1

4.7µH

Inductor 1.66A

D63LCB

TOKO

D63LCB-#A921CY-4R7M

1

R1

short

1

R2

100kΩ

5%

0603

Any

1

R3

10kΩ

5%

0603

Any

2

R4,R5

open

1

R6

1.1Ω

1%

0805

Yageo

RC0805FR-071R1L

1

U1

MP2481

MPS WLED Driver

MSOP8EP

MPS

MP2481DH-LF-Z