EV4012DS-00A –BOOST WHITE LED DRIVER FOR TV BACKLIGHTING APPLICATION

EV4012DS-00A Rev.1.01

www.MonolithicPower.com

2

11/23/2011

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

© 2011 MPS. All Rights Reserved.

EVALUATION BOARD SCHEMATIC

SYNC

8

CS

5

VDD

2

CL

9

OVP

12

ISET

15

RT

7

GND

4

VIN

1

REF

10

PWM

13

FB

16

SL

6

GATE

3

FAULT

11

COMP

14

U1

MP4012/SO16

C1

C2

C7

L1

D2

US1G

C9

33nF

C10

220pF

C12

3k

R12

R4

R6

1.58k

R5

NC

C5

NC

C6

30k

R9

560k

R8

21k

R11

10k

R15

4.3k

R14

9.09k

R13

C13

3.32

R22

21.5k

R20

953k

R21

2k

R16

LED+

LED-

1k

R1

20.5k

R2

1nF

C4

1k

R19

NC

R7

VIN

PWM

A-DIM

SYNC

NC

R18

C3

Fault

12VIN

NC

R17

REF

REF

M1

M2

220pF

C8

100nF

C11

NC

R3

NC

D1

NC

R23

NC

R24

20

R10

NC

C14

NC

C15

8

5

2

7

1

3

4

6

CN1

EV4012DS-00A BILL OF MATERIALS

Qty

Ref

Value

Description

Package

Manufacturer

Manufacturer P/N

2

C1, C2

2.2μF

Ceramic

Capacitor;100V;X7R;1210

1210

muRata

GRM32ER72A225KA35L

1

C3

0.1μF

Ceramic

Capacitor;100V;X7R;0805

0805

TDK

C2012X7R2A104K

1

C4

1nF

Ceramic

Capacitor;50V;X7R;0603

0603

TDK

C1608X7R1H102K

4

C5,

C6,

C14,

C15

NC

1

C7

1μF

Ceramic

Capacitor;25V;X5R;0805

0805

muRata

GRM216R61E105KA12D

2

C8,

C12

220pF

Ceramic

Capacitor;50V;X7R;0603

0603

muRata

GRM188R71H221KA01D

1

C9

1μF

Ceramic

Capacitor;25V;X7R;0603

0603

muRata

GRM188R71E105KA12

1

C10

33nF

Ceramic

Capacitor;50V;X7R;0603

0603

muRata

GRM188R1H333KA61D

1

C11

100nF

Ceramic

Capacitor;25V;X7R;0603

0603

muRata

GRM188R71H104KA01D

1

C13

1μF/400V

Film Capacitor;400V; DIP

DIP

CBB 1μF/400V

2

LED+,

LED-

Connector

Connector