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Showing 35 results View by: Thread Post Sort by
  • ucc28720 based power supply design

    Jonathan Crary
    Jonathan Crary
    TI Thinks Resolved
    The following website: http://www.ti.com/tool/PMP9517 has a power supply design which I am considering using in one of my applications. The top of the page says small form factor 10W offline flyback power supply reference design. Down the page on the…
    • over 6 years ago
    • Power management
    • Power management forum
  • Trouble-shooting startup issues with TI PSR flybacks(UCC28700,UCC28701, UCC28702,UCC28703, UCC28704,UCC28710, UCC28711,UCC28712,UCC28910, UCC28911, UCC28720, UCC28722,etc..)

    Kening Gao
    Kening Gao
    Why there is this discussion? There are so many questions in the forum related to the startup of UCC2870X or other TI PSR controllers/switchers. We know the anxiety when customer met startup issues. So we develop to try to aim customer on their issues…
    • over 6 years ago
    • Power management
    • Power management forum
  • Apply UCC28720 for 1W 5V isolated flyback from 230 AC mains

    Maarten Verhage46
    Maarten Verhage46
    Other Parts Discussed in Thread: UCC28720 Dear TI people or other very nice helping guys, For a 1-10V fluorescent lamp dimmer I've selected this device make a flyback converter to power a simple MCU and a few other components. Besides minimal no load…
    • over 7 years ago
    • Power management
    • Power management forum
  • Compatibility between UCC28720 and new UCC28722 for 6W USB Charger Reference Design

    Ruben Martinez
    Ruben Martinez
    Other Parts Discussed in Thread: PMP9088 , UCC28720 , UCC28722 Hi, I would like to know if I could use UCC28720 controller instead of UCC28722 in the "6W USB Charger Reference Design" (www.ti.com/tool/PMP9088). I know they are not pinout and package…
    • over 8 years ago
    • Power management
    • Power management forum
  • RE: UCC28600: 800VAC application discussion

    Mike O'
    Mike O'
    Hello BR, The UCC28722 is the same device as the UCC28720 and does not have the internal high voltage startup. You would use trickle charge resistors to charge up the VDD capcitor. However, it you want to use the UCC28720 you could use a series pass…
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • UCC28720EVM-212: Extend the module to have an extra 12V output.

    Sergey Sl
    Sergey Sl
    Resolved
    Part Number: UCC28720EVM-212 Other Parts Discussed in Thread: UCC28720 Hello, my question is can the "UCC28720EVM-212 5W Evaluation Module" be extended to have 12V output along with 5V which it already has.
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • RE: UCC28722: how to find and select an industrial grade IC?

    Mike O'
    Mike O'
    Resolved
    Hello Ras, The UCC28722 drives IGBTs and is better suited for extremely high voltages and would work for your application. However, the UCC28701 is designed to drive FETs and will also work for your application. They both use trickle charge startup. There…
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • UCC28740: Ucc28740 stops every 2ms

    user5327551
    user5327551
    Resolved
    Part Number: UCC28740 Other Parts Discussed in Thread: TL431 , UCC28720 , UCC28600 , LM5023 Hi, I am having problems with a AC.DC convertor based on UCC28740 5V/3A My VS is under 4V , CS at around 800mV and switching frequency (1A) around 30Khz What…
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • UCC28742: VS maximum ratings

    armela mane
    armela mane
    TI Thinks Resolved
    Part Number: UCC28742 Other Parts Discussed in Thread: UCC28720 , PMP8678 The VS pin absolute maximum rating on the datasheet is listed for -0.75V to 7V. Is this rating valid during all operation or only at end of each switching cycle, disregarding beginning…
    • over 2 years ago
    • Power management
    • Power management forum
  • WEBENCH® Tools/UC2843: Can I use UC2843 to get output power of 80Vdc and 15Amps? In webench I cant simulate that design

    Arkaprava Sinha
    Arkaprava Sinha
    TI Thinks Resolved
    Part Number: UC2843 Other Parts Discussed in Thread: UCC28180 , LM5021 , PMP10215 , UCC28950 , PMP8606 , UCC28070 , PMP5568 , UCC28720 , UCC2895-Q1 , UCC3895 , PMP9622 , PMP7246 , UCC28951-Q1 , PMP20657 , TIDA-01407 , PMP6712 , PMP8740 , TIDA-00779 , UCC28951 Tool/software…
    • over 3 years ago
    • Simulation, hardware & system design tools
    • Simulation, hardware & system design tools forum
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