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  • UC2855A: Seeking control IC for boost converter with zero voltage transition (ZVT) with auxiliary switch, for PFC (line current shaping) application

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    Part Number: UC2855A Other Parts Discussed in Thread: UC2855B , UCC28180 , UCC28064A , UCC28051 , UCD3138 Tool/software: Dear Sir/Madam, we are designing a PFC input stage for a power converter. High efficiency, low power loss, and low EMI (low dv/dt…
    • Resolved

  • UCD3138: Seeking control IC for boost converter with zero voltage transition (ZVT) with auxiliary switch, for PFC (line current shaping) application

    TI Thinks Resolved
    Part Number: UCD3138 Other Parts Discussed in Thread: UC2855A , UC2855B , Tool/software: Dear Sir/Madam, we are designing a PFC input stage for a power converter. High efficiency, low power loss, and low EMI (low dv/dt, low di/dt) are all important…

  • RE: UCC28517: Power Limit at High Line and Low Line

    The high line (176Vrms - 270Vrms) power limit is too loose (1000W at 176Vrms and 1600W at 270Vrms), right? Did you follow the datasheet about multiplier design on page 20 and Table 2? Also, the datasheet mentions a design note, slua196a (can be downloaded…

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