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Showing 11 results View by: Thread Post Sort by
  • LM25085-Q1: Abnormal switching frequency

    Matt Qi
    Matt Qi
    TI Thinks Resolved
    Part Number: LM25085-Q1 Hi, I have a question about the switching frequency of LM25085-Q1, LM25085-Q encounters the phenomenon that the frequency cannot be adjusted by changing Rt during use. The maximum input range is 11-16V, and the output range is…
    • over 2 years ago
    • Power management
    • Power management forum
  • LM25085-Q1: LM25085-Q1

    ELVIS SUN
    ELVIS SUN
    TI Thinks Resolved
    Part Number: LM25085-Q1 Dear , i use LM25085-Q1 to build one DC-DC , 15V,18-25V input, and when output current larger than one current( 2A for example), the drv will keep low for hundred us, and FB pin thus abnormal cause of the ripple injected. drv…
    • over 4 years ago
    • Power management
    • Power management forum
  • Answered
  • LM25085-Q1: DC-DC

    ELVIS SUN
    ELVIS SUN
    Resolved
    Part Number: LM25085-Q1 Other Parts Discussed in Thread: LM25085 , LM25141-Q1 , LM5146-Q1 Dear sIR/Mam, i used LM28085-Q1 to build one DC-DC from 18V-25V to 15V/3.5A, but find the output voltage will go rise with the rise of Vin, can not be stable.…
    • Resolved
    • over 4 years ago
    • Power management
    • Power management forum
  • LM25085-Q1: LM25085 dead

    Gonzague GENET
    Gonzague GENET
    TI Thinks Resolved
    Part Number: LM25085-Q1 Other Parts Discussed in Thread: LM25085 , LM5085 Hi everyone We develop a board with a DC/DC converter based on LM25085 This board is powered by a 24V Sometimes (1/100), during power on or power off operation, the LM25085…
    • over 7 years ago
    • Power management
    • Power management forum
  • LM25085-Q1: Power management forum

    Angelo Manara
    Angelo Manara
    TI Thinks Resolved
    Part Number: LM25085-Q1 Other Parts Discussed in Thread: LM25085 I've implemented the suggestions for avoiding failures (i.e. a shottky diode from Vcc to GND. nevertheless I've got failures again switching on and off and on again. The AC/DC converter…
    • over 6 years ago
    • Power management
    • Power management forum
  • Answered
  • LM25085-Q1: CC/CV Buck Charger (SNVA486)

    Robert Ruchar
    Robert Ruchar
    Resolved
    Part Number: LM25085-Q1 Hello, I'm seriously thinking of using LM25085-Q1 for a 14.5V, 1A CC/CV battery charger (current limiter). SNVA486 approach seems to be a plausible option. I'd like to know some guideline how the peak current limit threshold…
    • Resolved
    • over 6 years ago
    • Power management
    • Power management forum
  • LM5085-Q1: What is the difference between LM25085-Q1 and LM5085-Q1?

    Justin West68
    Justin West68
    TI Thinks Resolved
    Part Number: LM5085-Q1 Other Parts Discussed in Thread: LM25085 , LM5085 These two parts seem to be identical besides the VIN spec and the odd optional but also required D2 on LM5085. If my VIN is less than 42V is LM25085 the better option?
    • over 6 years ago
    • Power management
    • Power management forum
  • Answered
  • LM25085: Variable output voltage power supply.

    Kazuya Nakai59
    Kazuya Nakai59
    Resolved
    Part Number: LM25085 Other Parts Discussed in Thread: LM61460-Q1 Tool/software: Hello guys, One of my customers want to design a variable output voltage power supply using LM25085 for their new products. They have the following question at this moment…
    • Resolved
    • 6 months ago
    • Power management
    • Power management forum
  • Answered
  • LM25085: LM25085 output voltage drop to zero for 250~300ms when output current is 8A

    Qun He
    Qun He
    Resolved
    Part Number: LM25085 Hello A customer said if the LM25085 output current exceeded 5A, the output voltage will drop. i will get more detailed information to you, but I have a question about its maximum output current if it's depended on the MOSFET…
    • Resolved
    • over 5 years ago
    • Power management
    • Power management forum
  • LM25085: Potential secondary parts to propose

    Leo Chow
    Leo Chow
    TI Thinks Resolved
    Part Number: LM25085 Other Parts Discussed in Thread: LMR36015-Q1 Hi, i'm looking into potential replacements of LM25085 which not necessarily have to be pin-to-pin as we're working closely with customer on a tight BOM cost project. Here are some of…
    • over 6 years ago
    • Power management
    • Power management forum
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