main differences between IR2104 and IR2111

Discussion in 'Power Electronics' started by mah, Nov 12, 2016.

  1. mah

    Thread Starter Senior Member

    Mar 15, 2010
    337
    3
    Are there differences in main operation of Ir2111 and Ir2104 in relation of IN , Ho,Lo? as I didn't find ir2111 in proteus so i used ir2104.
     
  2. bertus

    Administrator

    Apr 5, 2008
    19,412
    3,926
    Hello,

    There are differences in timing and output currents:

    IR2104_VS_IR2111.jpg

    Bertus
     
  3. MaxHeadRoom

    Expert

    Jul 18, 2013
    17,756
    5,403
    IR2111 does not have a SD pin?
    Max.
     
    bertus likes this.
  4. mah

    Thread Starter Senior Member

    Mar 15, 2010
    337
    3
    Will the difference in timing affect the mosfet heat dissipation?
     
  5. bertus

    Administrator

    Apr 5, 2008
    19,412
    3,926
    Hello,

    Slower switching will give more heat production, as the mosfet is longer in a linear state.
    You want to switch as fast as possible.

    Bertus
     
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