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Showing 353 results View by: Thread Post Sort by
    Answered
  • LMR14030: LMR14030 simualtion results not satisfactory.

    Sunilkumar Subash
    Sunilkumar Subash
    Resolved
    Part Number: LMR14030 Other Parts Discussed in Thread: LM2674 , LMR14006 , TPS560430 My input specifications are. 1. Generate a 5V +/- 3% output voltage ; output ripple~50mV or less if deemed necessary 2. Nominal operating range 9-16V 3. Output…
    • Resolved
    • over 6 years ago
    • Power management
    • Power management forum
  • LMR14030-Q1: Output Voltage Divider Resistor Values not Setting Correct Voltage

    Jesse Schmidt
    Jesse Schmidt
    TI Thinks Resolved
    Part Number: LMR14030-Q1 Using 13k & 49.9k for the resistor divider gives output voltage of 3.9V. This is significantly different from the formula given in the datasheet. 10k & 49.9k gives 5.4 V. The following is the schematic. The switching frequency…
    • over 3 years ago
    • Power management
    • Power management forum
  • LMR14030: LMR14030

    Ian Wang
    Ian Wang
    TI Thinks Resolved
    Part Number: LMR14030 Dear Sir, Looks EN pin of LMR14030 have leakage voltage in PULL-HI Power. It will drop from 1.8V to 1V.. even 0.7V, sometimes, EN Pin will pull hi by internal current source, 1. Does LMR14030 with re-try or re-start function…
    • over 7 years ago
    • Power management
    • Power management forum
  • LMR14030: Max value of UVLO

    user6471363
    user6471363
    TI Thinks Resolved
    Part Number: LMR14030 Hi, Based on 8.3.6 of LMR14030, I can calculate RENT and RENB for desired UVLO hysteresis voltage. My questions are: 1. Is the VSTART the same as UVLO_H, and VSTOP is the same as UVLO_L? 2. Can I use RENT and RENB to set VSTART…
    • over 4 years ago
    • Power management
    • Power management forum
  • LMR14030-Q1: the output WAVE did not stable

    Nightingale
    Nightingale
    Part Number: LMR14030-Q1 Other Parts Discussed in Thread: LMR14030 IN 24V OUT 5V The output wave did not stable. Does this normal?
    • over 4 years ago
    • Power management
    • Power management forum
  • LMR14030: LMR14030

    Ian Wang
    Ian Wang
    TI Thinks Resolved
    Part Number: LMR14030 Other Parts Discussed in Thread: TPS254900-Q1 , LM25141 , LMR33620 Dear Sir, My customer looking for a replacement part for LMR14030 with similar specs but higher efficiency. The target is to have this buck converter operating…
    • over 7 years ago
    • Power management
    • Power management forum
  • LMR14030-Q1: Tolerance of switching frequency

    Roy Chou1
    Roy Chou1
    TI Thinks Resolved
    Part Number: LMR14030-Q1 Other Parts Discussed in Thread: LMR14030 Hi Team, Could you help let me know the tolerance of LMR14030 Fsw? (assume RT is 0% difference) Roy
    • over 4 years ago
    • Power management
    • Power management forum
  • Answered
  • LMR14030-Q1: Efficiency curve

    FRANK1
    FRANK1
    Resolved
    Part Number: LMR14030-Q1 Hi Team, Can you share me the Efficiency curve for the following design parameters? Input:5V output:1.25V Frequency: 1500KHz Thank you.
    • Resolved
    • over 4 years ago
    • Power management
    • Power management forum
  • Answered
  • LMR14030: Will high voltage pulse damage the device?

    Yuting Li
    Yuting Li
    Resolved
    Part Number: LMR14030 Hi team, Will 100V, 300ms voltage pulse damage LMR14030? What about 50V, 300ms pulse? Thanks. Tim
    • Resolved
    • over 4 years ago
    • Power management
    • Power management forum
  • Answered
  • LMR14030: I need a Power chip (BUCK is OK) which the voltage can be adjusted.

    Qi Liu
    Qi Liu
    Resolved
    Part Number: LMR14030 Hi, support team My customer has the questions as follow: I need a Power chip (BUCK is OK) which the voltage can be adjusted. There are three gears: input 24V, output 8V, 16V and 24V. At present, I plan to use LMR14030, and…
    • Resolved
    • over 4 years ago
    • Power management
    • Power management forum
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