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  • LM5023-2NBEVM: UCC24630

    Resolved
    Part Number: LM5023-2NBEVM Other Parts Discussed in Thread: UCC24630EVM-636 , LM5023 , UCC24630 , UCC24610 , LM5023-2EVM Notebook Adapter VOUT Output voltage ripple VIN = nom, IOUT = max load 100 mVPP UCC24630EVM-636 ΔVOUT Output…
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    • Answered

  • UCC24630EVM-636: Modifications for higher power

    Resolved
    Part Number: UCC24630EVM-636 Hello, We successfully modified this board to increase the output voltage from 19.5V to 24V by changing the feedback resistors, the secondary side rectification resistors, and adjusting the OVP appropriately. This circuit…
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    • Answered

  • LM5023: Modifying EVM for 24Vout (UCC24630EVM-636 )

    Resolved
    Part Number: LM5023 Other Parts Discussed in Thread: UCC24630EVM-636 , Hello, We would like to modify the UCC24630EVM-636 to output 24V instead of 19.5V. From what I've gathered so far we would need to modify these sections. Can you confirm? Quasi…
    • Resolved

  • RE: Looking for a CRM mode buck controller

    Hello Stanley, The UCC24630EVM-636 is an evaluation module that uses the LM5023 quasi resonant pwm controlller and the UCC24630 synchronous rectifier controller. https://www.ti.com/tool/UCC24630EVM-636 We have no reference design available that meets your…
    • Answered

  • WEBENCH® Tools/UCC24630: Design guidance on AC/DC adapter dual output

    Resolved
    Part Number: UCC24630 Other Parts Discussed in Thread: UCC28740 , LM5023 Tool/software: WEBENCH® Design Tools HI I am trying to design flyback power supply with below spec, I am looking for design ideas 1. input 85V -235V AC 50/60Hz 2. Output 12v 5A…
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  • RE: UCC28740: Device not starting, Gives one pulse per second

    Resolved
    You need to go to "View online" to see the two documents. Or use the below two links to get the documents mentioned. www.ti.com/.../ucc24630evm-636 www.ti.com/.../ucc28740evm-525
    • Answered

  • What is the best Synchronous Rectifier controller for Quasi-resonant control like LM5023? LM5023 switching frequency on EVM?

    Resolved
    Other Parts Discussed in Thread: UCC24630EVM-636 , LM5023 , UCC24630 , UCC24636 , UCC24610 , UCC28740 , UCC28630 We are trying to promote LM5023 + UCC24630 for the adapter. UCC24630EVM-636 is a good demo for us. Is this still the best SR solution for LM5023…
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    • Answered

  • LM5023 Input voltage dropping

    Resolved
    Other Parts Discussed in Thread: LM5023 , UCC24630EVM-636 , LM8364 Hi, My customer is testing the LM5023 as the flyback controller. They would like to stop operating when the input voltage drops. Is there any recommended circuits? Regards, Kuramochi
    • Resolved

  • PFC device for 400W and 700W output

    TI Thinks Resolved
    Other Parts Discussed in Thread: UCC28051 , UCC28180 , LM5023 , UCC24630EVM-636 , UCC28521 Dear all Good day ! We are going to design two kinds of ACDC power modules---- approximately 400W or 700W output. I found the cheapest PFC device is UCC28051 which is…

  • Need transformer design details for reference design PMP10974

    TI Thinks Resolved
    Other Parts Discussed in Thread: PMP10974 , BQ24040 , UCC24630EVM-636 , PMP8817 , PMP10478 , PMP11124 , PMP4478 , UCC24636 I need the design details of the main switching transformer used in the reference design PMP10974. The design says only a value (260 uH…

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