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Showing 5 results View by: Thread Post Sort by
  • RE: LM5026: schematic and transformer claculate

    Hong Huang
    Hong Huang
    Hi, It looks you copied the design PMP11478 PMP11478 reference design | TI.com It is a tested design. So it looks no need to have a review from me.
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • RE: LM5026: Inquire LM5026 reference design

    John Griffin1
    John Griffin1
    Resolved
    Hello Johnny, You can reference the LM5026EVAL design which has a 100W rating and the PMP11478 which has a 30W rating. These designs are located on on the LM5026 web page https://www.ti.com/product/LM5026 . You can use these designs as a starting…
    • over 6 years ago
    • Power management
    • Power management forum
  • RE: LM5026: The application scenarios are high-speed trains or subways with 200w power supply, input dc voltage 16.8-31.2v(normal 24V), output 24V, constant voltage output.

    Teng Feng
    Teng Feng
    Hi Faith, Unfortunately an Excel calculator is not available for the LM5026. You can download reference design from below website page. 24-36V and delivers a 12V output at 2.5A. http://www.ti.com/tool/PMP11478 and 9.6-60V and delivers a 12V…
    • over 6 years ago
    • Power management
    • Power management forum
  • Answered
  • RE: LM5026: Recommended handling method of unused SYNC pin

    Teng Feng
    Teng Feng
    Resolved
    Hi H.Someno, You can just leave the SYNC pin floating if it is not used. Unfortunately, there is no LM5026 calculator available for LM5026. You can refer to datasheet section 8.2.2 for detailed design procedure with its corresponding application circuit…
    • over 6 years ago
    • Power management
    • Power management forum
  • LM5026: Efficiency and PMOS issue

    Tommy Tzeng
    Tommy Tzeng
    TI Thinks Resolved
    Part Number: LM5026 Other Parts Discussed in Thread: PMP11478 , PMP22075 , Tool/software: Hi Sir, customer refer the RT and TIME pin resistance value in the PMP11478 schematic, but efficiency is not good(only 58~60%) under the condition( 20v vin to…
    • over 1 year ago
    • Power management
    • Power management forum

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