EV0062 (MP1541) 1.3MHz LOW POWER TORCH/FLASH LED DRIVER

EVALUATION BOARD - INITIAL RELEASE

NOTICE:

MPS believes the information in this document to be accurate and reliable. However, it is subject to change without

notice. Contact MPS for current specifications. MPS encourages users of its products to ensure that third party Intellectual

Property rights are not infringed upon when integrating MPS products into any application. MPS cannot assume any legal

responsibility for any said applications.

EV0062 (MP1541) Rev. 1.0

Monolithic Power Systems, Inc.

4

6/10/04

983 University Avenue, Building A, Los Gatos, CA 95032 USA

© 2004 MPS, Inc.

Tel: 408-357-6600

♦ Fax: 408-357-6601 ♦ www.MonolithicPower.com

QUICK START GUIDE

1. Connect LEDs to LED1 – LED4 terminals.

2. Preset Power Supply to 2.5V – 6V.

3. Turn Off Power Supply.

4. Connect Power Supply terminals to:

a. Positive (+): VIN

b. Negative (–): GND

5. Turn Power Supply On after making connections.

7. Drive FLASH of Q1 with a pulsed signal (3V or above for High, 0V for Low) to switch between

two (2) LED currents.