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Showing 124 results View by: Thread Post Sort by
    Answered
  • UCC25800-Q1: UCC25800 Number of Outputs

    Carsten Koeck
    Carsten Koeck
    Resolved
    Part Number: UCC25800-Q1 Dear Power Experts, is there any limitation with regards to the maximum number of outputs on the UCC25800-Q1? Or is the only limiting factor the output power? Can I distribute the possible 6W@24V input voltage to 9 outputs…
    • Resolved
    • 1 month ago
    • Power management
    • Power management forum
  • UCC25800-Q1: UCC25800-Q1 Design Calculator SLUC705

    Carsten Koeck
    Carsten Koeck
    TI Thinks Resolved
    Part Number: UCC25800-Q1 Dear Power Experts, playing around with the UCC25800-Q1 design calculator using the following paramters Vin = 22 V Vout = 14 V Iout = 400 mA fo = 500 kHz I found two issues: 1) Using 400mA output current there will…
    • 1 month ago
    • Power management
    • Power management forum
  • UCC25800-Q1: UCC25800-Q1 Light Load DCM Performance & EMI Signature Inquiry

    Sabah Vaheed
    Sabah Vaheed
    TI Thinks Resolved
    Part Number: UCC25800-Q1 Other Parts Discussed in Thread: UCC25800 We are developing a low-power- 250mW, dual-output isolated bias supply using the UCC25800-Q1 in a Secondary-Side Resonant LLC topology, targeting regulated outputs of +20V and -5V. Based…
    • 5 months ago
    • Power management
    • Power management forum
  • UCC25800-Q1: UCC25800-Q1 switching losses

    Mucahit Ozen
    Mucahit Ozen
    TI Thinks Resolved
    Part Number: UCC25800-Q1 Tool/software: Hi, When I try to calculate switching losses of UCC25800-Q1, i didn't find any information related rise and fall time of internal Mosfet. Could you please provide to me rise and fall time of internal Mosfet…
    • 10 months ago
    • Power management
    • Power management forum
  • UCC25800-Q1: UCC25800-Q1

    RudraPratap Singh
    RudraPratap Singh
    TI Thinks Resolved
    Part Number: UCC25800-Q1 Other Parts Discussed in Thread: UCC28500 Tool/software: hi unencrypted spice model of part UCC28500 is not available on site please help us to find it. thanks
    • 9 months ago
    • Simulation, hardware & system design tools
    • Simulation, hardware & system design tools forum
  • UCC25800-Q1: Using transformer driver with CCFL transformers

    Arttu Räsänen
    Arttu Räsänen
    TI Thinks Resolved
    Part Number: UCC25800-Q1 Other Parts Discussed in Thread: UCC25800 , UCC2972 Dear TI, I would like to ask if it would be possible to drive a CCFL transformer with the UCC25800-Q1? The transformer I'm interested in is Coilcraft FL2015-4L. According to…
    • 1 month ago
    • Power management
    • Power management forum
  • UCC25800-Q1: The overvoltage problem of the resonant capacitor at soft-startup

    zhexi zhang
    zhexi zhang
    TI Thinks Resolved
    Part Number: UCC25800-Q1 There is some questions and Problems about this chip. Our company designed an Open LLC circuit with the UCC25800-q1 product. From the Figure1 you can see the working condition of this chip, we assume that the chip generated…
    • 1 month ago
    • Simulation, hardware & system design tools
    • Simulation, hardware & system design tools forum
  • Answered
  • UCC25800-Q1: Hiccup mode

    Mohaben
    Mohaben
    Resolved
    Part Number: UCC25800-Q1 Other Parts Discussed in Thread: PMP23061 , UCC25800 Hello , i m using the UCC25800 as gate power supply, the solution is based on the PMP23061. for the transformer i used the 750319177 from wurth elekronik. for an input of…
    • Resolved
    • 2 months ago
    • Power management
    • Power management forum
  • UCC25800-Q1: How to calculate CB1 CB2?

    Sveinn Jia
    Sveinn Jia
    TI Thinks Resolved
    Part Number: UCC25800-Q1 Hi team, I have a question how to calculate CB1,CB2? What's the considertation of CB1/CB2? regards, Sky
    • 3 months ago
    • Power management
    • Power management forum
  • Answered
  • UCC25800-Q1: UCC25800-Q1

    PRATEEK SINGH
    PRATEEK SINGH
    Resolved
    Part Number: UCC25800-Q1 Other Parts Discussed in Thread: UCC25800 Tool/software: On page no.31 of the datasheet of UCC25800-Q1, the value of parasitic capacitance at pin SW is mentioned as 170pF. Is this the parasitic output capacitance value across…
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
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