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Showing 31 results View by: Thread Post Sort by
    Answered
  • RE: UCC25702: Voltage mode PWM selection

    Eric DUPUY
    Eric DUPUY
    Resolved
    Hi Steve, Thank you for your answer. I think I will follow your proposal to use a component derived from Unitrode UCx84y I already used several times. I identified in your catalog several references: UCC2802, UCC2813-2, TL2843 and UCC28C43. They look…
    • over 1 year ago
    • Power management
    • Power management forum
  • WEBENCH® Tools/UCC2813-3-Q1: IC not starting up

    Elliott Potter
    Elliott Potter
    Part Number: UCC2813-3-Q1 Other Parts Discussed in Thread: TEST , UCC2813-2 , UCC2813-3 , Tool/software: WEBENCH® Design Tools Hi, I'm attempting to use a UCC2813 chip to make a AC->24Vdc supply. I used WEBENCH to start the design and basically copied…
    • over 1 year ago
    • Simulation, hardware & system design tools
    • Simulation, hardware & system design tools forum
  • Answered
  • High efficiency isolation DC/DC solution survey

    Muhsiu Wei36
    Muhsiu Wei36
    Resolved
    Other Parts Discussed in Thread: LM5036 , UCC2813-2 Hi Team, As title, the target efficiency is 95% as higher is better since system design is fanless. Please check the electrical parameter as below. Please recommend your solution and components power loss…
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • UCC2813-2 PSpice Model error

    C.K. Gowda
    C.K. Gowda
    Resolved
    Other Parts Discussed in Thread: UCC2813-2 , UCC2813-1 Hi, I have downloaded the ORCAD PSPICE model from TI website & I am getting the below mentioned DRC error message in both the schematics (UCC2813-2 and UCC2813-2). Please help me to fix this error…
    • Resolved
    • over 11 years ago
    • Simulation, hardware & system design tools
    • Simulation, hardware & system design tools forum
  • Answered
  • RE: PMP10833: Please suggest alterante part fro UCC28C42 with Tj=125C

    Teng Feng
    Teng Feng
    Resolved
    Hi Ajmal, You can use pin to pin device UCC28C42-Q1, which has a Tj up to 125C. Besides, you can also consider these devices such as UC1842, UC1842A,UC1843A, UCCx800, UCCx802, and UCCx803, UCC2813-0/-2/-3-Q,..........Maybe it needs a little circuit mod…
    • over 2 years ago
    • Simulation, hardware & system design tools
    • Simulation, hardware & system design tools forum
  • Answered
  • RE: Best part for PWM controller requirement

    Peter Meaney
    Peter Meaney
    Resolved
    Hi Someno-san, I cannot find a single channel PWM with a sync pin. The oscillator on the UCC28C4x and UCC2800 family of devices can be sync'ed to an external source and both sets of device have variants that have duty cycles that can extend to 90%…
    • over 3 years ago
    • Power management
    • Power management forum
  • Answered
  • IC number prefixes UCC UC TL SG meaning?

    Ras Sharif50
    Ras Sharif50
    Resolved
    Other Parts Discussed in Thread: SG2524 , UC28025 , UCC28950 , UCC2895 Dear All, I have two questions about IC numbers: 1) what is the meaning of prefixes, ie UCC, UC, SG, TL? ( for example SG2524 or UCC2813 ) 2) what is the meaning of digits after prefixes…
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
  • Answered
  • UCC2813-0: Difference from UCC3813-0

    hideyuki sakai
    hideyuki sakai
    Resolved
    Part Number: UCC2813-0 Other Parts Discussed in Thread: UCC3813-0 , Dear, Sir. My customer is considering to replace from UCC3813DTR-0 to UCC2813DTR-0, also from UCC3813DTR-1 to UCC2813DTR-1. I tried to read out the datasheet, but following are not clear…
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • RE: UCC2813-3: Oscillator and switching frequency

    Bernard Keogh
    Bernard Keogh
    Resolved
    Zhou, For the UCC2813-0, UCC2813-2 & UCC2813-3, Dmax = 100%, for these versions OUT pin Fsw= Fosc. For the UCC2813-1, UCC2813-4 & UCC2813-5, Dmax = 50%, implemented using an internal toggle flip-flop. So for these versions, Fsw = 0.5 * Fosc.…
    • over 4 years ago
    • Power management
    • Power management forum
  • Answered
  • UCC2803-Q1: What is difference between UCC2803-Q1 and UCC2813-3-Q1?

    Yuta Kurimoto
    Yuta Kurimoto
    Resolved
    Part Number: UCC2803-Q1 Other Parts Discussed in Thread: UCC2813-3-Q1 Hello Team, I just got RFQ about UCC2803-Q1 from customer. However when I look over TI.com, I found the UCC2813-3-Q1 which is very similar device. I think UCC2813-3-Q1 is lower price…
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
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