EV3399EY-00A ― 24 STRINGS WHITE LED DRIVER

NOTICE: The information in this document is subject to change without notice. Users should warrant and guarantee that third

party Intellectual Property rights are not infringed upon when integrating MPS products into any application. MPS will not

assume any legal responsibility for any said applications.

EV3399EY-00A Rev. 1.0

www.MonolithicPower.com

5

9/23/2011

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QUICK START GUIDE

1. Connect the positive and negative terminals of the load panel (12 white LEDs in series, 24

stings paralleled) to the LED+ and LED1~24 pins on the EV board, respectively.

2. Connect the positive and negative terminals of the power supply (8V ~ 28V) to the VIN and

GND pins on the EV board, respectively.

3. Apply the PWM dimming signal on the DBRT to achieve the dimming request, the frequency of

the PWM signal is recommended between 200Hz to 2kHz.

4. Drive EN pin high (5V) to enable the MP3399. The LED should be lighted.