Driving High Powered LEDs

Discussion in 'General Electronics Chat' started by N3whit3, Feb 27, 2011.

  1. N3whit3

    Thread Starter New Member

    Feb 24, 2011
    4
    0
    Hello,

    I'm interested in driving a high powered LED (34 Watts). With ExpressSCH, I began building a circuit with National components (LM3433).
    http://www.national.com/pf/LM/LM3433.html#Overview

    I'm using LM5002 for my voltage.
    http://www.national.com/pf/LM/LM5002.html#Overview

    But I'd like to simulate with SPICE before building my desired circuit.

    If I plan to use LTSPICE IV, which seems to be forum's preferred SPICE software, is there a way of importing National components?

    It doesn't appear as though National supports SPICE.
    http://www.national.com/analog/interface/ibis_home

    If there isn't a method to import National components, what do you recommend for LT equivalent components?

    ~N3
     
  2. N3whit3

    Thread Starter New Member

    Feb 24, 2011
    4
    0
    I've settled on LT3743. With the 20A max current, the LT3443 is more than sufficient.
     
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