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  • LM3914 Calculator. V2 [22-Dec2013]

    The maximum specified LM3914 supply voltage is 25 Volts, the maximum Vrefout is 2Volts less than the LM3914 Vsupply.

    The maximum specified LM3914 power disappation is 1 Watt, to keep the power less than1 Watt, either
    reduce the led supply voltage or use a Series resistor in the led supply, the required value is displayed.
    In Bar mode display, led supply voltages higher than 5V will usually require a led series resistor.


    Select led Colour and Mode..The user can change the LM3914 and led +Vs supply voltages.




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