Search tips
Showing 35 results View by: Thread Post Sort by

  • ucc28720 based power supply design

    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…

  • Trouble-shooting startup issues with TI PSR flybacks(UCC28700,UCC28701, UCC28702,UCC28703, UCC28704,UCC28710, UCC28711,UCC28712,UCC28910, UCC28911, UCC28720, UCC28722,etc..)

    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…

  • Apply UCC28720 for 1W 5V isolated flyback from 230 AC mains

    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…

  • Compatibility between UCC28720 and new UCC28722 for 6W USB Charger Reference Design

    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…

  • RE: UCC28600: 800VAC application discussion

    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…
    • Answered

  • UCC28720EVM-212: Extend the module to have an extra 12V output.

    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
    • Answered

  • RE: UCC28722: how to find and select an industrial grade IC?

    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…
    • Answered

  • UCC28740: Ucc28740 stops every 2ms

    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

  • UCC28742: VS maximum ratings

    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…

  • WEBENCH® Tools/UC2843: Can I use UC2843 to get output power of 80Vdc and 15Amps? In webench I cant simulate that design

    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…

Didn't find what you are looking for? Post a new question.