EV4688DN-00A

80V Input

1A High Power LED Driver

EV4688DN-00A Rev. 1.0

www.MonolithicPower.com

1

11/28/2011

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

© 2011 MPS. All Rights Reserved.

The Future of Analog IC Technology

DESCRIPTION

The EV4688DN-00A is an evaluation board for

high power LED driver. It is implemented by

MP4688DN, an integrated Buck white LED

driver which is suitable for automotive, industry

and general lighting applications with MPS

patented pending technology.

The EV4688DN-00A is recommended to drive a

single-string LEDs. It can drive up to 19 LEDs in

one string. It regulates the LED current at about

730mA.

ELECTRICAL SPECIFICATIONS

Parameter

Symbol

Value

Units

Input Voltage

VIN

4.5 to 80

V

Enable/Dimming

EN/DIM

5

V

LED Current

730

mA

Over Current

Protection

OCP

3.2

A

FEATURES

 Wide 4.5V to 80V Operating Input Range

 No Output Capacitor Required

 ±5% LED Current Accuracy

 Hysteretic Control: No Compensation

 Up to 2MHz Switching Frequency

 Up to 20kHz Dimming Frequency

 Dedicated PWM Dimming Control Input

 Short circuit protection with integrated high

side MOSFET

 Optional Output Voltage Limitation

 Thermal shut down

 200mV reference voltage for high efficiency

 Up to 95% Efficiency

 120μA Quiescent Current

 Available in SOIC8 with Exposed Pad

Packages

APPLICATIONS

 High Power LED Driver

 Automotive, Industry and General Lighting

 Constant Current Source

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

Monolithic Power Systems, Inc.

EV4688DN-00A EVALUATION BOARD

Components Area: 0.66” x 1.17” (1.7cm x 3cm)

Board Number

MPS IC Number

EV4688DN-00A

MP4688