IR2184 problems in buck

Discussion in 'The Projects Forum' started by zami123, Feb 1, 2012.

  1. zami123

    Thread Starter New Member

    Jan 11, 2012
    Hi everyone...I am buliding a buck convertor using IR2184. Igbt i am using is MG300H1UL1.
    But i am not geting any output. I am generating PWM at 4 Khz from microcontroller and that is coming on IN pin.And i have grounded the SD pin.can someone please tell me where i am wrong..All other pins are connected according to datasheet.
  2. shortbus

    AAC Fanatic!

    Sep 30, 2009
    A schematic of the circuit is needed for help. Are you using the high or low side? A connection to ground (0V) is needed to charge the boost capacitor when high side is off to make the driver work. Unless you are using a "charge pump".