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Showing 22 results View by: Thread Post Sort by
    Answered
  • UCC2813-5-Q1: Simulation error of UCC2813-5-Q1 in LTspice

    Danilo A.
    Danilo A.
    Resolved
    Part Number: UCC2813-5-Q1 Other Parts Discussed in Thread: TLV3501 Hi Team, Our customer encountered an error when he imported the unencrypted PSpice model of UCC2813-5-Q1 to LTspice. The model is not working, showing too many nodes in the simulation as…
    • Resolved
    • 2 months ago
    • Power management
    • Power management forum
  • Answered
  • UCC2813-5-Q1: adjust current sense limit

    Kay Bollerhof
    Kay Bollerhof
    Resolved
    Part Number: UCC2813-5-Q1 Hi, I try to develop an isolated DC/DC with 9 - 32 V input and 12 V output with 3 A. If I decrease the input voltage under about 20 V, the output voltage is decreasing too. I think the problem is the current sensing of the controller…
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • UCC2813-5-Q1: UCC2813-5-Q1 Thermal Spec

    Wei-Hao Chen (TW-FAE)
    Wei-Hao Chen (TW-FAE)
    Resolved
    Part Number: UCC2813-5-Q1 Hi team, Can you please check what is the thermal performance of UCC2813-5-Q1? The datasheet is too old it did not show any RθJA or RθJC, can you provide thermal information for UCC2813-5-Q1 in tabular format: Many…
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
  • Answered
  • UCC2813-5-Q1: REF OK threshold for UCC2813-5-Q1

    Wei-Hao Chen (TW-FAE)
    Wei-Hao Chen (TW-FAE)
    Resolved
    Part Number: UCC2813-5-Q1 Other Parts Discussed in Thread: UCC2813-5 Hi team, My customer wishes to know what is the REF OK threshold and hysteresis for UCC2813-5-Q1, the datasheet did not specify this value. Could you please help us to find it? Thank…
    • Resolved
    • over 4 years ago
    • Power management
    • Power management forum
  • RE: UCC2805: PSU

    Teng Feng
    Teng Feng
    Hi Ray, Yes, it can be used for primary side control with an auxiliary winding. The device UCC2813-5 has same UVLO threshold as UCC2805, it can be a alternative. Regards, Teng
    • 1 month ago
    • Power management
    • Power management forum
  • UCC2813-5-Q1: the Absolute Maximum Ratings Tj and Recommended Operating Conditions Tj Range

    Max Han
    Max Han
    TI Thinks Resolved
    Part Number: UCC2813-5-Q1 Hi in datasheet, there is no this information, could you provide the Tj range of the Absolute Maximum Ratings and Tj range of Recommended Operating Conditions? thanks. UCC2813QDR-5Q1
    • over 3 years ago
    • Power management
    • Power management forum
  • UCC2813-5-Q1: Switching Frequency

    Ross Parlour
    Ross Parlour
    TI Thinks Resolved
    Part Number: UCC2813-5-Q1 Hi there, During testing it has been found that the switching frequency is half of what is expecting (expect 300KHz, have got 150KHz). In document SGLS245D have got Also, in SLUS161E we have found this note Now I have 100pF…
    • over 4 years ago
    • Power management
    • Power management forum
  • UCC2813-0: Design

    Krunal Zala
    Krunal Zala
    TI Thinks Resolved
    Part Number: UCC2813-0 Other Parts Discussed in Thread: UCC2813-5 Hello, I need your help as I am considering UCC2813 for an AC-DC converter. I am considering a reference design https://www.ti.com/lit/pdf/tidrlx3 Please help me to get following queries…
    • 4 months ago
    • Power management
    • Power management forum
  • UCC2813-5 schemetic review

    pil joo huh
    pil joo huh
    Other Parts Discussed in Thread: UCC2813-5 , TLV431 , UCC2813-1 , UCC2813-4 Dear all I will develop the product using UCC2813-5. (Input : AC 50V or DC 50V +/- 30% OutPut : 5V / 12A (60W) A circuit diagram based on the circuit proposed by TI Webench has been…
    • over 5 years ago
    • Power management
    • Power management forum
  • RE: WEBENCH® Tools/UCC2813-3-Q1: IC not starting up

    Elliott Potter
    Elliott Potter
    Hi! OK I tried a couple of things. First, I replaced C13 from 120uF to 200uF; it didn't seem to have any impact. Next, I removed D5 and R3, and powered the UCC2813 from a benchtop supply (10V, current limited to 50mA). I applied AC and then powered…
    • over 1 year ago
    • Simulation, hardware & system design tools
    • Simulation, hardware & system design tools forum
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