Search tips
Showing 89 results View by: Thread Post Sort by

  • UCC28700-Q1: UCC28700-Q1 output voltage is abnormal

    Part Number: UCC28700-Q1 Tool/software: Hello, We are using TI UCC28700-Q1 to design a flyback power supply. A problem was found during test, please help analyze the possible reason: Design parameters: Input voltage :60-500Vdc, Output voltage: Second1…

  • UCC28700-Q1: Recommended way to shutdown UCC28700 when line voltage falls below lower limit

    TI Thinks Resolved
    Part Number: UCC28700-Q1 Other Parts Discussed in Thread: UCC28700 The question I have regarding UCC28700 flyback controller is what is the TI recommended way to shutdown the controller UCC28700, when input dc VBLK goes below a certain level. We can…

  • UCC28700-Q1: Removing Aux WInding?

    Part Number: UCC28700-Q1 Other Parts Discussed in Thread: UCC28700 , TINA-TI Hello, my system has DC24V as input to supply UCC28700-Q1 with no need of an aux winding connected to Vcc. Is it possible to sample primary mosfet Vds instead of Vaux, since Vds…

  • UCC28700-Q1: Please provide unencrypted Spice Model

    TI Thinks Resolved
    Part Number: UCC28700-Q1 Other Parts Discussed in Thread: UCC28700 I hope someone can help me get an non-encrypted spice model for the device. Thanks in advance
    • Answered

  • UCC28700-Q1: How to model flyback Transformer in TINA-TI?

    Resolved
    Part Number: UCC28700-Q1 Other Parts Discussed in Thread: UCC28700 , UCC28600 The simulation model for UCC28700 doesn't have a transformer model included. How to properly model a flyback transformer with an auxiliary winding. Thanks Ritwik
    • Resolved

  • UCC28700-Q1: PSpice Model of UCC28700 cannot be opened using LT-Spice

    Part Number: UCC28700-Q1 Other Parts Discussed in Thread: UCC28700 Hi team, The PSpice Model of UCC28700 cannot be opened using LT Spice. An error like this will be displayed after opening. But I can open PSpice Model of other products. So can you provide…

  • UCC28700-Q1: Please provide the unencrypted PSPICE model of UCC28700-Q1

    TI Thinks Resolved
    Part Number: UCC28700-Q1 Other Parts Discussed in Thread: UCC28700 Hi, I need to simulate the performance of the part number UCC28700-Q1. I'm unable to simulate this part number because only encrypted SPICE models are available on TI's website. Please…

  • UCC28700-Q1: Requesting to provide UCC28700-Q1 IC CS pin input leakage current

    TI Thinks Resolved
    Part Number: UCC28700-Q1 Hi TI Team, Requesting to provide UCC28700-Q1 IC, CS pin input leakage current , which will help in our design. Kind regards, Vamsi Bankuru

  • UCC28700-Q1: Requesting to provide UCC28700-Q1 IC CS pin input leakage current

    TI Thinks Resolved
    Part Number: UCC28700-Q1 Other Parts Discussed in Thread: UCC28700 Requesting to provide UCC28700-Q1 IC, CS pin input leakage current , which will help in our design.
    • Answered

  • UCC28700-Q1: how to understand the VVDD(on) and VVDD(off) parameters in UVLO function

    Resolved
    Part Number: UCC28700-Q1 Other Parts Discussed in Thread: UCC28700 hi experts i saw VVDD(on) and VVDD(off) parameters in UCC28700 datasheet. it seem like these parameters are related with UVLO function. so how to understand these two parameters? does VDD…
    • Resolved

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