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EV3388EY-00A Scheda tecnica(PDF) 4 Page - Monolithic Power Systems |
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EV3388EY-00A Scheda tecnica(HTML) 4 Page - Monolithic Power Systems |
4 / 4 page EV3388EY-00A ― 8 STRING 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. EV3388EY-00A Rev. 1.0 www.MonolithicPower.com 4 11/3/2009 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. © 2009 MPS. All Rights Reserved. PRINTED CIRCUIT BOARD LAYOUT Figure 1—Top Layer Figure 2—Bottom Layer QUICK START GUIDE 1. Connect the positive and negative terminals of the load panel (10 white LEDs in series, 8 stings paralleled) to the LED+ and LED1~8 pins on the EV board, respectively. 2. Connect the positive and negative terminals of the power supply (5V ~ 25V) to the VIN and GND pins on the EV board, respectively. 3. Drive EN pin high (5V) to enable the MP3388. 4. For PWM dimming, apply a PWM rectangular waveform with a minimum voltage less than 0.5V and a maximum greater than 5V on PWM DIM pin. The frequency of the PWM signal is recommended between 200Hz to 2kHz. |
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