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Schematic Diagram For KA3842 PWM IC

By on April 15, 2009

This is a common part number found in many type of power supply thus it is good to visit the website and print it out and keep it for future reference. Please click on the link below to visit the website:



  1. bala

    June 6, 2009 at 12:44 am

    i want to see if what other people are saying is correct.
    thanks for the oppurtunity given to people

  2. Martin Tan

    March 16, 2010 at 8:57 am

    Hi Jestine I wonder if you have a tutorial on how to use and wire up a KA3842 PWM IC.
    I can't understand head or tail of how it works.
    What are the requirements for it to generate pulses at pin 6.

  3. admin

    March 17, 2010 at 9:16 am

    HI Martin,

    Try this link:


  4. Martin Tan

    April 16, 2010 at 2:51 pm

    Hi Jestine for the info on KA3842.
    I will try put up the circuit on a SPICE program.

  5. Kumaravel. G.

    January 19, 2017 at 9:46 pm

    Sir, I want to know the preset value in IBM 6331 monitor.

    • Jestine Yong

      January 20, 2017 at 10:46 am

      Hi Kumaravel,

      You need to look for the schematic in order to find out the value. ]



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