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  • UCC28740: UCC28740

    TI Thinks Resolved
    Part Number: UCC28740 Other Parts Discussed in Thread: PMP20533 , UCC28056 Hello Assuming a 20W resistive load for a isolated AC-DC flyback converter based on UCC28740, what would be the power factor? If the load is being switched continuously will that…

  • UCC28740: Couldn't get 3A output current

    Part Number: UCC28740 Other Parts Discussed in Thread: PMP20533 Hi Team, Currently I had suggested customer to use this calculator sheet file for their SMPS design by using UCC28740 and R&D engineer made the selection of transformers from the selection…
    • Answered

  • PWM controller for Flyback converter with serial communication

    Resolved
    Other Parts Discussed in Thread: UCD3138 , UCC28740 , TPL0102-100 , PMP20533 Hi, I am working on programmable AC-DC power supply with below spec Input range: 85 to 264VAC Output voltage:5 to 15V Output power 50W I am looking for PWM controller with serial…
    • Resolved

  • TPS25740: What is the input to the controller?

    TI Thinks Resolved
    Part Number: TPS25740 Hi, Its my first time designing something using USB and I'm working on making a USB C power adapter. I'm trying to understand the PMP20533 reference design. I'm not quite sure I understand how the circuit works. How much voltage…

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