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Recent content by spanker1

  1. S

    Inductor selection for a buck convertor

    That was really helpful.. Thanks a lot
  2. S

    INductor selection for a buck convertor

    What kind of difference are you talking about.?.. please enlighten me.. I was thinking of using an 18uH instead of the 22uH. thanks
  3. S

    INductor selection for a buck convertor

    Sure, I am using NCL30160 controller chip from ON semi. We are currently driving our LED's at .5A using a 33uH. My boss wants me these LED's at 1A. Based on the Duty cycle and the switching frequency the inductance value came out to be 25.0uH for pulling 1A. I had a hard time finding an...
  4. S

    INductor selection for a buck convertor

    Hi, I am working on a constant current control driver which outputs 1A of current. The inductor value for this design came out to be 25uH. Since i couldn't find an inductor 25uh with an Isat of 1.5 an above. I was wondering how high/ smaller i could go on inductance making sure that the current...
  5. S

    measure the electrical properties of an inductor

    Hi, I am working on a NCL30160 Led driver from On Semiconductor. I was told by my boss who is a mechanical engineer to measure all the electrical measurments you could possibly get from the inductor we are using. He told me to use the oscilloscope too see the waveforms and record the values. I...
  6. S

    Inductor selection for a buck convertor

    Thanks a lot. Really appreciate your help.. This is what i was using at first https://katalog.we-online.de/kataloge/eisos/media/pdf/74437324220.pdf It has a rated current of 1A and a saturation current of 2A. Thats what i don't understand. I am thinking of swithcing to a lower inductance but...
  7. S

    Inductor selection for a buck convertor

    Hi, I am planning to run some LED's with Iout 1A using a buck convertor. Is it ok if use an inductor with current rating 1A or should i look for a higher value inductor?. Pleae advice
  8. S

    help finding a bridge recitifer

    Thanks a lot. Really appreciate it..
  9. S

    help finding a bridge recitifer

    Hi, I am fairly new to the electronics world. I just got an internship with an LED company. As a first project my boss wanna run some LED's with an Iout of .5A to 1A using a stepdown transformer of Vin 12VAC. He told me to look into different bridge rectifiers which are SMD. I looked up the...

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