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Constant Current & Voltage Converter 2015-11-28T08:16:41+00:00

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  • mike green
    November 28, 2015 at 8:16 am
    Post count: 0
    #2525 Reply |

    I have two questions about the DROK® DC Step Down Constant Current & Voltage Converter 4-38V to 1.25-36V Buck Voltage Regulator MAX 5A 75W LED Driver Power Supply Module.

    1) How do I adjust the current limit? For example, do I turn clockwise or anti-clockwise to increase the current?

    2) What do the LEDs mean? The green one seems to be on all the time, but the blue light only comes on occasionally.

    Drok
    Keymaster
    December 2, 2015 at 7:55 am
    Post count: 2971
    #2580 Reply |

    Hi Mike,
    Thanks for your reminding and we have updated the website info now. Please following the steps to set the current limit.
    1. Adjust constant-voltage potentiometer to make output voltage reach the voltage value which you want. Turn clockwise to increase the voltage and or anti-clockwise to decrease voltage.
    2. Use 10A multimeter to measure short-circuit output current (directly connect two meters to output interface), at the samt time, adjust constant-voltage potentiometer to make output current reach preset over-current protection value.

    And the about LEDs, red light is on in constant current status and off in constant voltage status, blue light is on when charging and off when full-charging and Green light is on when full-charged.

    If you still have any other questions, please feel free to contact us.
    Best regards,
    DROK

    Tim Coddington
    August 4, 2017 at 10:53 pm
    Post count: 0
    #20232 Reply |

    I’m using same 75W regulator for voltage regulation. I need to insure that it is NOT in constant current mode but the only information I have is that you
    turn a potentiometer. It is unclear how to I make sure it is only operating in constant voltage? I want to be able to guarantee it’s in constant voltage mode BEFORE I connect it to anything and set voltage output level.

    Please give me link to instructions or user’s manual.

    Thanks

    Drok
    Keymaster
    August 7, 2017 at 10:07 am
    Post count: 2971
    #20324 Reply |

    Hello Tim Coddington,
    Thanks for writing in.
    There are many kinds of 75W regulator, are you sure it is the following item?
    091016
    Best regards.

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