AC/DC and Isolated DC/DC Power

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AC/DC and Isolated DC/DC Power

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Isolated Controllers
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  • Forum Post: UC3637

    WILLIE L. MCCAIN
    THANKS FOR MOVING THIS TO THE CORRECT LOCATION SO THE CORRECT GROUP WILL GIVE ME AN IDEA OF THE BEST WAY TO DO THIS THANKS, WILLIE L. MCCAIN 561-853-4160
    on Nov 8, 2011

  • Forum Post: Re: UCC28019A and UC2853A

    Hiroshi Sato
    Thank you, Lisa. The design calculator is very helpful for us. And, could I get the password for the protection of the sheet ? If yes, it is more convenient, for example, I can write some memo at blank in the sheet.
    on Nov 8, 2011

  • Forum Post: Re: uc3637

    WILLIE L. MCCAIN
    YES I FOUND THAT THANKS, BUT I STILL HAVE ANOTHER ISSUE NOW SINCE I WILL BE USING +15 VDC AS THE SUPPLY VOLTAGE I WILL HAVE TERMINALS 9 AND 11 TIED TOGETHER ANS A VOLTAGE DIVIDER PUT THERE WHICH WILL BE HALF OF VCC( +15V ) SO NO AT +7.5 VDC CENTER IAM PRODUCING TWO 50% DUTY CYCLES AT WHAT EVER...
    on Nov 8, 2011

  • Forum Post: UCC35706 resonant forward convertor failure

    Sunil K Valsan
    Hi, I am Trying to make one DC to Dc convertor with UCC35706, strangely all the four devices I had is gone bad ie PIN 3 Vff shows zero Volt. The schmatic design is taken from another working design. Its resonant single switch forward convertor. Please help me to acertain if the device has gone...
    on Nov 17, 2011

  • Forum Post: Primary side feedback on LM5021 and pulse skipping

    Mikael Davidsson
    Hi All! I'm planning to use the LM5021-1 for a fly-back converter with an input range of 30-300VDC generating +15V output at max 120mA and min 30mA. The converter will be designed to work in discontinous mode. For cost and foot-print reason I also would like to have a solution without optocoupler...
    on Dec 21, 2011

  • Forum Post: +/- 400V Variable output controller

    Jameson Beebe
    Hello all, I am looking for some direction in creating a variable +/- 400V @ 10uA max output controller. Currently I have a flyback solution designed that can do it, but there are issues with the feed back voltage resolution and the way the microcontroller is managing the output voltage. It would...
    on Dec 27, 2011

  • Forum Post: Interleaving two UCC28950 with UCC39002 and Si8503

    CWilson
    Hi everybody! We're currently designing a Full Bridge ZVS 3400W converter with two UCC28950 (coupled as master/slave interleaving). For current sensing we're using the Si8503 (recommended by a TI employee in another post). The output of the Si8503 is amplified in order to match the input...
    on Feb 1, 2012

  • Forum Post: LM5034 PWM controller soft start

    jarod salsman
    I am looking for information regarding the shutdown of one PWM channel of the LM5034 chip. The data sheet claims that connecting the soft start pin to an open drain connection allows the user to shut down one channel without affecting the other. I have tested this and found that the second channel actually...
    on Feb 24, 2012

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