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Showing 81 results View by: Thread Post Sort by
  • UCC24630: the design of UCC24630

    Allen Chu
    Allen Chu
    Part Number: UCC24630 Other Parts Discussed in Thread: UCC24612 Dear team, The customer has a flyback power supply synchronous rectification output that originally used LT8309. They plan to replace LT8309 with UCC24630. Is this solution feasible? What…
    • 3 months ago
    • Power management
    • Power management forum
  • UCC24630: UCC24630 Usage in 28 V Flyback Output Application

    Chester N.
    Chester N.
    TI Thinks Resolved
    Part Number: UCC24630 Other Parts Discussed in Thread: UCC24612 , UCC24610 Hello TI Support Team, I am currently evaluating the UCC24630 synchronous rectifier controller for use on the secondary side of an isolated flyback converter. The target output…
    • 1 month ago
    • Power management
    • Power management forum
  • UCC24630: UCC24630 dead time

    Rock Shao
    Rock Shao
    TI Thinks Resolved
    Part Number: UCC24630 Hi, My customer used UCC24630 for ACF flyback and on the secondary side high side. They found the dead time will form 2us~0.5us in High/Low AC input voltage, As a result, the current passes through the body diode of the MOSFET…
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • UCC24630: UCC24630 dead time

    Rock Shao
    Rock Shao
    Resolved
    Part Number: UCC24630 Other Parts Discussed in Thread: UCC24612 Hi, My customer used UCC24630 for ACF flyback and on the secondary side high side. They found the dead time will form 2us~0.5us in High/Low AC input voltage, As a result, the current…
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • UCC24630: SR controller suspect to show abnormal waveform and higher efficiency at no load..

    Ernest Cho
    Ernest Cho
    TI Thinks Resolved
    Part Number: UCC24630 Tool/software: Hi team, My customer is using UCC24630 as SR controller and they asked it has lower efficiency(+5~10%) when they use Diode instead of FET. They sent below waveforms (for both UCC24630+FET and Diode rectifier) and…
    • over 1 year ago
    • Power management
    • Power management forum
  • UCC24630: SR controller promotion selection for 130kHz max frequency and flyback application, need output short protection.

    Cicely Tang
    Cicely Tang
    TI Thinks Resolved
    Part Number: UCC24630 Other Parts Discussed in Thread: UCC24612 Tool/software: Hi Expert, The customer has a sysc rectifier need, customer's topology is two-switch flyback in Air-condition outdoor unit power. And his max frequency is about 130kHz…
    • over 1 year ago
    • Power management
    • Power management forum
  • UCC24630: Synchronious rectifier MOSFET Vds overvoltage

    Marek Šmíd
    Marek Šmíd
    Part Number: UCC24630 Hi, I have problem with 100W 100KHz flyback with output voltage around 13V. The voltage Vds on synchronious rectifier mosfet rises up to 130 V when MOSFET closing. I can't find a way to dump that peak. Any ideas how to dump it…
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • UCC24630: Is there any other 5V to 24V output Flyback more suitable for use in variable frequency?

    Jenny Chen
    Jenny Chen
    Resolved
    Part Number: UCC24630 Other Parts Discussed in Thread: UCC24636 Tool/software: Hi team, My customer is asking that the turn off time is unstable, sometimes fast and sometimes slow. May I know if this part is suitable for use in frequency conversion…
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
  • UCC24630: SMPS INPUT: 60VDC-400VDC / 12VDC/4A WITH SYNCHRONOUS RECTIFIER

    Henrique Campos
    Henrique Campos
    TI Thinks Resolved
    Part Number: UCC24630 Other Parts Discussed in Thread: UCC38C40 , UCC28C40 Tool/software: Hello everyone, I am trying to test UCC24630 with a flyback operating with UCC38C40 on the primary side. It is a SMPS with a DC input voltage from 60V to 400…
    • over 2 years ago
    • Simulation, hardware & system design tools
    • Simulation, hardware & system design tools forum
  • Answered
  • UCC24630: VDD Range

    toktam khani
    toktam khani
    Resolved
    Part Number: UCC24630 Hi, actually i am not sure if this IC is correct for my application. i have NPC on the primary side and my understanding is that the topology does not matter. UCC24630 works for CCM Mode so shall be OK for me too. is that So? …
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
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