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LED 3x3W driver will it work?

Discussion in 'LEDs and Optoelectronics' started by shanan, Oct 8, 2015.

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  1. shanan


    Nov 21, 2014

    this has been advertised as a it can driver 3x 3W LED's, however most LED's need 700mA so can this work as its 600mA? if it works can 3 LED's be set up in series or will it need additional resistance? thanks

    * Input voltage: AC/DC 12V
    * Output voltage: DC 3V-12V
    * Output power: 3W-9W
    * Output current: about 600mA±5%
    * Soft start
    * Over-voltage protection (OVP)
    * Short Circuit Protection (SCP)
    * Overload power protection (OPP)
    * Overload current protection (OCP)
    * RED wire: Output Positive
    * White wire: Output Negative
    * Can support 1-3 pieces 3W diodes

    LED (x3 in series)

    Forward Voltage: 2.4-2.8V
    Forward Current: 700mA
  2. Harald Kapp

    Harald Kapp Moderator Moderator

    Nov 17, 2011
    A 700mA LED can always be used at 600mA, but not vice versa. 4 of your LEDs in series add up to 7.2V...8.4V. This driver is a good match for this setup. No resistor will be required as the driver is a current source that adjusts the voltage such that the current is regulated to 600mA.
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