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  • PFCLLCSREVM034: To imrove Efficiency

    TI Thinks Resolved
    Part Number: PFCLLCSREVM034 Other Parts Discussed in Thread: UCC256403 , UCC25640EVM-020 , Hi team, Now customer evaluates UCC256403 with PFCLLCSREVM034 and UCC25640EVM-020. With PFCLLCSREVM034, e fficiency on 10% Load is around 80%, which is worse…
    • Answered

  • PFCLLCSREVM034: Regarding the LLC gain curve selection

    Resolved
    Part Number: PFCLLCSREVM034 Dear Sir/Madam, I am hoping to modify PFCLLCSREVM034 to output 30V/5A/150W so I am currently design a LLC stage by the tool UCC25640x Design Calculator Rev4.0. I will replace the transformer and the resonant inductor…
    • Resolved
    • Answered

  • PFCLLCSREVM034: Modified to output 30V/5A/150W

    Resolved
    Part Number: PFCLLCSREVM034 Dear Sir/Madam, I have bought a development board PFCLLCSREVM034 and tested its performance. It is very good. Then I would like to modify it to output 30V/150W (it was 12V/168W). I didn't change anything of PFC stage, but…
    • Resolved

  • PFCLLCSREVM034: Regarding the frequency control of LLC converter

    TI Thinks Resolved
    Part Number: PFCLLCSREVM034 Other Parts Discussed in Thread: TLVH431 , ATL432LI-Q1 Dear Sir/Madam, I have modified the development board, pear number: PFCLLCSREVM034, to output 30V/6A/180W. The detailed is described in the other article "PFCLLCSREVM034…
    • Answered

  • PFCLLCSREVM034: Purpose of C44 10 μF used in PFCLLCSR EVM034

    Resolved
    Part Number: PFCLLCSREVM034 What is the purpose of C44 10μF used in PFCLLCSREVM034? Is it okay to delete C44 10μF? Thank you.
    • Resolved
    • Answered

  • RE: PFCLLCSREVM034: Question on modifying with 600W 48V output

    Resolved
    Hello Ben, Thanks for your answer, going to look into your IC recommendation later. Regards, Catur
    • Answered

  • PFCLLCSREVM034: Regarding the resonant inductor and resonant capacitor in the LLC stage and leakage inductor of the transformer

    Resolved
    Part Number: PFCLLCSREVM034 Other Parts Discussed in Thread: UCC256404 , UCC25640EVM-020 Dear Sir/Madam, I have purchased and tested the evaluation board PFCLLCSREVM034, its performance is very good. After reading the user guide and datasheet of the…
    • Resolved

  • UCC28056: High Temperature Start-up Delay

    Part Number: UCC28056 Other Parts Discussed in Thread: PFCLLCSREVM034 Under the TC= 100°C of the UCC28056, The MOSFET gate signal is delay about 5s when AC power-on . Could you advise what protection might have been triggered?

  • UCC256404: UCC256404

    TI Thinks Resolved
    Part Number: UCC256404 Other Parts Discussed in Thread: PFCLLCSREVM034 , Hi Mani Figure 2. PFCLLCSREVM034 Schematic Diagram: LLC Section I Can not see the pin #9 connection LL/SS to ? Where it connected? What is good ref design for UCC256404…
    • Answered

  • UCC28056: Can't find reference design TIDA-010038

    Resolved
    Part Number: UCC28056 Other Parts Discussed in Thread: UCC256301 , PFCLLCSREVM034 , UCC256404 , PMP40580 , Tool/software: Hello, Everything is in the title. Thanks in advance for your help.
    • Resolved

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