EV24895-J-00A---STEP-DOWN WHITE LED DRIVER EVALUATION BOARD

EV24895-J-00A Rev.1.0

www.MonolithicPower.com

2

8/7/2014

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

© 2014 MPS. All Rights Reserved.

EVALUATION BOARD SCHEMATIC

PGND

PGND

AGND

PGND

2

1

0.4

R1

2

1

NC

R4

220uF/35V

C2

1

NC

Q1

2

1

0.2

R2

1

EN/DIM

NC

R3

1nF

C3

2

1

0

R5

1

LED-

1

LED+

1

AC2

1

AC1

1

2

B260A

D1

2.2uF/50V

C1

47uH/1.45A

L1

NC

C4

SW

1

EN/DIM

3

MP24895

U1

NC

C5

AGND

NC

R6

D2

D3

D4

D5

EV24895-J-00A BILL OF MATERIALS

Qty

Ref

Value

Description

Package

Manufacturer

Part Number

1

C1

2.2µF/50V

Ceramic Capacitor,

50V, X7R

1206

muRata

GRM31CR71H225KA88L

1

C2

220µF/35V

Electrolytic Capacitor,

35V

DIP

Sanyo

220µF/35V

1

C3

1nF/25V

Ceramic Capacitor,

25V, C0G

0603

muRata

GRM1885C1E102JA01D

2

C4, C5

NC

5

D1 to D5

B260A

Schottky Diode

SMA

Diodes

B260A

1

L1

47µH

Inductor, 1.2A

SMD

TDK

SLF7055T-470M1R2-3PF

1

R1

0.4Ω

Film Resistor, 1%

0805

Royalohm

0805F400LT5E

1

R2

0.2Ω

Film Resistor, 1%

0805

Yageo

RL0805FR-070R2L

3

R3, R4,

R6

NC

1

R5

0Ω

Film Resistor, 5%

0603

Yageo

RC0603JR-070RL

1

Q1

NC

1

U1

MP24895

MPS WLED Driver

TSOT23-5

MPS

MP24895GJ-Z