EV3388EY-00A

8 string White LED Driver

Evaluation Board

EV3388EY-00A Rev.1.0

www.MonolithicPower.com

1

11/3/2009

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

© 2009 MPS. All Rights Reserved.

The Future of Analog IC Technology

DESCRIPTION

The EV3388EY-00A is an evaluation board for the

MP3388EY, a step-up converter designed for large

liquid-crystal displays that employ an array of LEDs

as the light source. It can drive up to 8 strings in

parallel and 10 LEDs per string.

The MP3388 uses internal switch current mode,

fixed frequency architecture and includes current

ballast in each string terminal, which achieves

±3% current regulation accuracy between strings.

Low feedback voltage at each LED string help

reduce power loss and improve efficiency.

The MP3388 has multiple features to protect the

converter from fault conditions, including under-

voltage lockout, current limiting, over voltage,

short LED, open LED and thermal shut-down

protection.

ELECTRICAL SPECIFICATIONS

Parameter

Symbol

Value

Units

Input

Voltage

5 – 25

V

LEDs #

8 string parallel and

10 LEDs each string

LED Current

20/string

mA

FEATURES

• 5V to 25V Input Voltage Range

• Up to 89% Efficiency

• Programmable Over Voltage Protection

• Drives up to 8 Strings Parallel and 10 LEDs

in Series.

• 3% Current Regulation Accuracy Between

Strings

• Selectable Switching Frequency: 1.25MHz

and 625kHz

• Open and Short LED Load Protection

• Thermal Shutdown

APPLICATIONS

• Notebook PC

• Small LCD TV

• Handy Terminals Display

• Automotive Systems and Tablet Computer

“MPS” and “The Future of Analog IC Technology” are Registered Trademarks of

Monolithic Power Systems, Inc.

EV3388EY-00A EVALUATION BOARD

(L x W x H) 6.0cm x 3.2cm x 1.0cm

Board Number

MPS IC Number

EV3388EY-00A

MP3388EY