EV4601ES-00A

Buck-Boost White LED Driver

For TV Backlighting Applications

EV4601ES-00A Rev.1.0

www.MonolithicPower.com

1

9/23/2011

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

© 2011 MPS. All Rights Reserved.

The Future of Analog IC Technology

DESCRIPTION

The

EV4601ES-00A

Evaluation

Board

is

designed to demonstrate the capabilities of

MPS’

MP4601ES

for

TV

backlighting

applications. MP4601 is an integrated Buck-

Boost white LED driver which is suitable for TV

and big panel backlighting applications with

MPS patented pending technology.

With a 12V input VIN and a high voltage source

over 350V. The LED current is regulated to

about 120mA. The EV4601ES-00A can be

synchronized. Several EV4601ES-00As can be

used together to drive a TV panel

ELECTRICAL SPECIFICATION

Parameter

Symbol

Value

Units

Input Voltage

VIN

12±10%

V

Enable

EN

5±10%

V

Dimming

DIM

5±10%

V

LED Current

120±5%

mA

Switching Frequency

fs

300

kHz

Over

Voltage

Protection

-63

V

FEATURES

• Novel Power Leverage Control Technology

• Negative Output Buck-Boost Operation

• Switching Frequency Synchronization

• Analog and PWM Dimming Control

• Programmable Cycle-by-Cycle Over Current

Protection

• Thermal Shutdown Protection

• LED Short and Open Protection

• Fault Output for Short LED Protection

• Output Short Circuit Protection

APPLICATIONS

• TV Backlighting

• Large LCD Panels Backlighting

For MPS green status, please visit MPS website under Quality Assurance.

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

of Monolithic Power Systems, Inc.

EV4601ES-00A EVALUATION BOARD

(L x W x H) 5cm x 4.6cm x 4.5mm

Board Number

MPS IC Number

EV4601ES-00A

MP4601ES

93.00

94.00

95.00

96.00

97.00

98.00

99.00

100.00

120 130 140 150 160 170 180