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Showing 90 results View by: Thread Post Sort by
    Answered
  • UC2843: Is the die exactly the same between UC2843 vs UC1843?

    Haiming Deng
    Haiming Deng
    Resolved
    Part Number: UC2843 Are there's differences in technology/design/fab between them? Thanks!
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • UC1843-SP: adjust output voltage

    Adam Daluga
    Adam Daluga
    Part Number: UC1843-SP Other Parts Discussed in Thread: TPS7H5001-SP Hello, I have a question about the UC1843-SP. I am working through the datasheet and using the TINA TI simulation “slum213” for the buck converter 18V to 5V. I looked through the datasheet…
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • UC1843-SP: SEL Sensitivity

    Jejomar Ildefonso
    Jejomar Ildefonso
    Resolved
    Part Number: UC1843-SP Other Parts Discussed in Thread: LM139AQML-SP Hi Team, We're almost certain but we need to confirm if the parts UC1843-SP and LM139AQML-SP are non SEL (Single Event Latch-up) sensitive due to their bipolar process. I've also seen…
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • UC1843: COMP pin of one of the controllers to the COMP pin of the other

    Marvin Cantos
    Marvin Cantos
    TI Thinks Resolved
    Part Number: UC1843 Hi Experts, Good day. I am posting this concern on behalf of the customer. Below is the customer's full transcript of the inquiry. "I would like to use two UC1843 in multiphase operation and provide a current sharing thanks…
    • over 3 years ago
    • Power management
    • Power management forum
  • RE: UC1843: Using the UC1843 in a 4-phase Buck Converter

    Teng Feng
    Teng Feng
    Hi Ken, I think using four UC1843 devices to realize 4 phase work is OK if the driver capability of controller that generates sync signals is OK. I think you also can use two interleaved buck controllers with synchronization feature to realize 4 phase…
    • over 5 years ago
    • Power management
    • Power management forum
  • UC1843: Difference between UC1843J and UC1843J883B

    Dong Ba
    Dong Ba
    TI Thinks Resolved
    Part Number: UC1843 Hi Team, Please help to provide the information below. Difference between UC1843J and UC1843J883B B.R. Eric
    • over 4 years ago
    • Power management
    • Power management forum
  • RE: UC1843: Driving UC1843 RT/CT line directly from TTL external clock

    Kenneth Aquino
    Kenneth Aquino
    Hi Teng, Thank you. The sync pulse, which is the external clock that I generate, is always there. So if I drive the RT/CT pin without the coupling cap, the UC1843 will always be able to output PWM since the external clock is always present on…
    • over 5 years ago
    • Power management
    • Power management forum
  • Answered
  • UC1843: Simulation Models

    Dajon McGill
    Dajon McGill
    Resolved
    Part Number: UC1843 Other Parts Discussed in Thread: UC2843 , UC3843 , TL2843 , UCC28C43 Hi Team, I have a customer that is looking for additional models for the UC1843. I see that we have a transient model posted on TI.com. Do we have any additional…
    • Resolved
    • over 4 years ago
    • Power management
    • Power management forum
  • Answered
  • UC1843-HIREL: Flyback transformer selection

    Arjunan Anandan
    Arjunan Anandan
    Resolved
    Part Number: UC1843-HIREL I am not able to get the part no of transformer shown in the application circuit " OFFLINE FLYBACK REGULATOR" Page No : 8. My output voltage requirement is +12V Dc, -12 VDC and 32 V DC.
    • Resolved
    • over 4 years ago
    • Power management
    • Power management forum
  • UC1843-SP: Differences in die construction for the 5962-8670402VXA, UC1843AMDREP and 5962-8670409VPA

    Juan Diaz18
    Juan Diaz18
    TI Thinks Resolved
    Part Number: UC1843-SP Other Parts Discussed in Thread: UC1843A , UC1843 Can provide the differences in die construction for 5962-8670402VXA, UC1843AMDREP and the 5962-8670409VPA? I would like to understand if the similarities and differences of the dies…
    • over 4 years ago
    • Power management
    • Power management forum
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