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    What does ULN stand for in ULN2003?

    Hi guys,

    does anyone know what ULN stands for in ULN2003 (Darlington transistor array)?

    regards,
    Manjunath

    •   Alt6th February 2008, 03:56

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    transistor array +uln

    what U want ?
    a uln part number or a Darlington tr number
    uln seri => 2002 2003 2004 2803

    tr as this use d1640 , bc517, tip42 ,...



    •   Alt5th October 2008, 11:12

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    uln in uln 2003 stands for

    Quote Originally Posted by manju1010
    Hi guys,

    does anyone know what ULN stands for in ULN2003 (Darlington transistor array)?

    regards,
    Manjunath
    AFAIR "Universal Linear" as opposed to UDN "Universal Digital". The "N" is for the temperature range -20°C ... 85°C , s. clip from SPRAGUE (TM) datasheet below:
    http://images.elektroda.net/88_1223217060.gif



    •   Alt5th October 2008, 15:34

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    2003 in uln 2003 stands for

    Hi,

    ULN is normal line driver or just buffer. We have to use chip enable signal for getting output.



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