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  • UCC28632: Latch up data

    TI Thinks Resolved
    Part Number: UCC28632 Other Parts Discussed in Thread: UCC28630 Dear Sir. I'm Yoshiko Yokoyama from Marubun Corp. Customer requested us to show latch up data for UCC28632DR, However, TI web site does not show latch up data. Could you help us to share…
    • Answered

  • WEBENCH® Tools/UCC28632: Question in Designing or finding a substitute Transformer

    Resolved
    Part Number: UCC28632 Tool/software: WEBENCH® Design Tools Dear Support from Texas Instruments, I have a question referring to Design 4491542/3 UCC28630DR and I would like to implement the following transformers because I have no clue how to build a…
    • Resolved

  • RE: WEBENCH® Tools: require AC to DC converter and DC to DC converter which gives 2 selectable outputs

    Hi Jayaprakash, We currently do not support multi-output power supply designs in new WEBENCH power designer tool. Alternatively, you could design each output separately. Could you please let us know if application for DC to DC converter is isolated or…
    • Answered

  • WEBENCH® Tools: please suggest part no for isolated power upply

    Resolved
    Other Parts Discussed in Thread: UCC28633 , UCC28713 , UCC28712 , UCC28711 , UCC28710 , UCC28740 , UCC28730 , UCC28630 , UCC28631 , UCC28632 , UCC28911 , UCC28910 , UCC28881 , UCC28880 , UCC28700 , UCC28600 Tool/software: WEBENCH® Design Tools Dear Sir i need pwm controller…
    • Resolved

  • UCC28631: Soft Start

    TI Thinks Resolved
    Part Number: UCC28631 Other Parts Discussed in Thread: UCC28630EVM-572 , , UCC28630 , UCC28632 , UCC28633 Team, My customer has the following questions: Is there a soft-start mechanism? (Datasheet says yes but not much info) How does the soft start (SS…
    • Answered

  • Cost effective AC/DC solutions on 96W Output

    Resolved
    Other Parts Discussed in Thread: PMP10804 , UCC28631 , UCC28632 , UCC28633 , PMP9643 , UCC28630 Below are the specs as tried to check from web that Ti does not have EVM available. VAC: 110V ~ 265V Vout: 24V@4A During no load, power supply should only provide…
    • Resolved

  • UCC28630: Can UCC28630 match with IPFC UCC28070 circuit?

    Part Number: UCC28630 Other Parts Discussed in Thread: UCC28070 , UCC28633 , UCC28632 , UCC28631 , UCC28063 , UCC28180 Hi all, I am the newbie of the power circuit design, since I need to design are 180W flyback SMPS (30V 6A) with fulfill the current energy…
    • Answered

  • UCC28631 Latching off on (re)power

    Resolved
    Other Parts Discussed in Thread: UCC28631 , UCC28633 , UCC28630 , UCC28632 (specifications at bottom of post) A problem concerning a flyback switcher using the UCC28631. If left alone for long enough, it will start up with no problem. If repowered, sometimes…
    • Resolved

  • UCC28630 audible noise

    Other Parts Discussed in Thread: UCC28630 , UCC28632 Hello I've just built a prototype power supply with UCC28630. Everything seems to be OK (output voltages, load regulation, line regulation etc), but I can hear a noise (rather low frequency "whirr", not…

  • RE: DC input Flyback using UCC28630

    Thanks Eric, I have calculated the values according to your suggestions. The input is 36V (min), 48V(nom) and 72V(max). The output is 12V at 65W. So, 12V@5.5A. If we back calculate with an efficiency of 85%, the input current is 1A min(72V) and 2A maximum…

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