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Showing 27 results View by: Thread Post Sort by
    Answered
  • UC1834-SP: UC1834-SP

    Nandha Kumar5
    Nandha Kumar5
    Resolved
    Part Number: UC1834-SP Other Parts Discussed in Thread: UC1846-SP , UC1834 , Tool/software: Thermal resistance for UC1834, LCC-20 package is not explicitly mentioned in the datasheet. I was referring to equivalent packaged UC1846-SP device which states…
    • Resolved
    • 5 months ago
    • Power management
    • Power management forum
  • UC1834-SP: Vin greater than 40V for <100ms

    Vivek Dholpuria
    Vivek Dholpuria
    TI Thinks Resolved
    Part Number: UC1834-SP Tool/software: During testing Vin pin has accidentally seen voltage greater than 40V, (0 to 80V in 40ms, then 80V to 40V in 40ms, approx 100ms IC has seen voltage greater than 40V) After this although IC is working fine now, Can…
    • 2 months ago
    • Power management
    • Power management forum
  • Answered
  • UC1834: About the voltage applied to the fault dealy pin

    kajimura.masaki
    kajimura.masaki
    Resolved
    Part Number: UC1834   Please tell me the maximum voltage of the fault delay pin. Question to determine the withstand voltage of a capacitor in an external circuit.
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • UC1834-SP: Connection of the NC pins in LCC20 package

    Nandha Kumar5
    Nandha Kumar5
    Resolved
    Part Number: UC1834-SP Hi, The LCC package for UC1834-SP has multiple NC pins. Are these pins connected to the die in any way? Asking this if these can be connected to the thermal plane for better thermal performance Thanks Nandha
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • UC1834-SP: Leakage current of fault alert pin

    Nandha Kumar5
    Nandha Kumar5
    Resolved
    Part Number: UC1834-SP Other Parts Discussed in Thread: UC1901-SP , UC1834 Hi, The datasheet does not specify the leakage current of the open collector output. Can I get a rough estimate for the worst case value for the leakage current over temperature…
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
  • Answered
  • RE: UC1834-SP: UC1834

    Daniel Hartung
    Daniel Hartung
    Resolved
    Hey Meet, The final picture in the datasheet shows a basic schematic of what it would look like. A simple resistor divider on the output would do for the under voltage. This will only set the fault alert pin, and you will have to implement external…
    • over 5 years ago
    • Power management
    • Power management forum
  • Answered
  • UC1834: Input Common mode voltage range

    Nandha Kumar5
    Nandha Kumar5
    Resolved
    Part Number: UC1834 Hi, Trying to juice out all I can from this IC (quite versatile I would say with an integrated reference and high current capacity compared to a standard opamp). The intended application is to use the IC to generate 0-100V, 5mA supply…
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
  • UC1834-SP: UC1834 operation for ( 36V < Vin < 40V)

    Vivek Dholpuria
    Vivek Dholpuria
    TI Thinks Resolved
    Part Number: UC1834-SP Other Parts Discussed in Thread: UC1834 Hi Vin max is given as 36V at UC1834 webpage, whereas Absolute maximum as 40V in datasheet. It is clear that there is no guarantee for functioning of IC above 40V, but what will be the…
    • over 5 years ago
    • Power management
    • Power management forum
  • UC1834-SP: should NC be grounded or floating

    Adam Daluga
    Adam Daluga
    TI Thinks Resolved
    Part Number: UC1834-SP Hello, We are using this part in a design, and want to understand if any of the NC terminals needed to be grounded? Thanks, Adam
    • over 3 years ago
    • Power management
    • Power management forum
  • Answered
  • UC1834: HI Is there any alternative part for the UC1834 ?

    Tharanath PP56
    Tharanath PP56
    Resolved
    Part Number: UC1834 Other Parts Discussed in Thread: UC2832-EP , UC3834 , UC2834 Hi I need to get the alternative part for the UC1834. Its a positive/negative regulator. Since UC1834 is costly I need to get a alternative part to test it. Can u suggest…
    • Resolved
    • over 7 years ago
    • Space & High Reliability (Read Only)
    • Space & High Reliability Forum (Read Only)
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