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  • RE: UCC28701: What determines the UCC28701 Operating Frequency?

    Hi Qingxuan, Max switching frequency, output voltage/current, input voltage, efficiency are the first things we set before designing/calculating other passive components in the circuit. Not sure what your output voltage/current is but I think your Lp…

  • UCC28700EVM-068: Can UCC28700EVM-068 use for 12V to 5V/1A?

    TI Thinks Resolved
    Part Number: UCC28700EVM-068 Other Parts Discussed in Thread: UCC28700 , TPS54202 Hi team, can I use UCC28700-EVM for 12V to 5V/1A ? I connect 12V DC after LC filter, but no output. Are there any thing need to be changed? the EVM user guide not say any information…

  • UCC28700EVM-068: About UCC28700EVM Question

    Part Number: UCC28700EVM-068 Hi Team, May I know how to measurement and prove OVP function on UCC28700EVM? Thank.

  • UCC28700EVM-068: Our new requirements

    Part Number: UCC28700EVM-068 Other Parts Discussed in Thread: UCC28700 , PMP10344 , UCC28740 , STRIKE , TPS2490 Hi Sir, We used this UCC28700 in our main products, it works very well. But we have a new question that needs us to boost voltage from 12VDC to…

  • Problems in referencing the design UCC28700EVM-068

    TI Thinks Resolved
    Other Parts Discussed in Thread: UCC28700EVM-068 , UCC28700 Hi, I'm working in referencing the design UCC28700EVM-068 and I have had some issues with. I took as reference for my design the attached files on TI home page, http://www.ti.com/tool/UCC28700EVM…
    • Answered

  • UCC28700EVM-068 Design Files

    Resolved
    Other Parts Discussed in Thread: UCC28700 We are interested in referencing this design. Unfortunately we could only find a pdf for the writeup. Are there any other design files available?
    • Resolved

  • UCC28702: UCC28702

    TI Thinks Resolved
    Part Number: UCC28702 Other Parts Discussed in Thread: UCC28700EVM-068 Hi, we are facing issue with UCC28702 design. Design is taken form WEBBENCH. Unable to switching ON the power supply. the VDD pin of UC28702 is pulsating in between 21V to 8V. Unable…
    • Answered

  • UCC28722 WBENCH reference design disparity

    Resolved
    Other Parts Discussed in Thread: UCC28722 , UCC28720 , UCC28700 , UCC28700EVM-068 , PMP8519 I'm trying to design a flyback AC-DC supply with an output of 3.3V upto 1A. I noticed some weird behavior. If I try to get a WEBENCH design from the UCC28722 product…
    • Resolved

  • RE: UCC28700: UCC28700

    Hello Rajashekar, The answer to your question 1 depends on several design factors which in turn depend on the target specifications of the system in which the UCC28700 is to be used. I can't give you a specific answer without this background information…

  • UCC28700 over voltage protection test methode

    Other Parts Discussed in Thread: UCC28700 , UCC28700EVM-068 Hello All How to test over voltage protection of primary side controller, UCC28700? used UCC28700EVM-068 as example. Thanks, NT

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