EV2480DN-00A – HYSTERETIC STEP DOWN HIGH POWER LED DRIVER

NOTICE:

The information in this document is subject to change without notice. Please contact MPS for current specifications.

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.

EV2480DN-00A Rev.1.0

www.MonolithicPower.com

6

6/20/2011

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

© 2011 MPS. All Rights Reserved.

QUICK START GUIDE

1. Check the LED string voltage and preset the input voltage power supply to 30-36V.

2. Set a second power supply to 2- 5V as the power supply for ‘EN’.

3. Turn-off all power supplies. Connect all the power supply.

4. Connect the anode of the LED string to LED+, and the cathode to LED-.

5. Turn on the power supplies. The LED string should be lighten

6. To demo the dimming function: Connect the ‘DIM’ with a function generator. Set the PWM signal

amplitude to 2- 5V and the frequency within 100Hz to 20kHz range.