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LED DRIVER- HEAT EMISSION

lilli prasath
Prodigy 140 points

Hi, I want to know whether the source of heat emission in LED lighting system. I want to know whether the heat is emitted from LED or Driver Circuit

  • TI__Expert 5130 points

    In my opinion, most of the heat is emitted from LED. That's why  the heat sink of LED bulb is usually very big.

    The heat sources in a driver circuit are usually power FET(switching FET), inductors and IC. The driver will use the metal later in PCB board for heat radiation.