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  • LMR36503-Q1: SW-GND transient spec

    TI Thinks Resolved
    Part Number: LMR36503-Q1 Other Parts Discussed in Thread: TPS548C26 , , LMR36503 , LMR36510 Tool/software: Hi team, My customer is asking about do we have such spec like other device listed? Looks like only DC spec shown. TPS548C26 LMR36503-Q1
    • Answered

  • LMR36503-Q1: Peak-to-peak output ripple voltage's formula

    Resolved
    Part Number: LMR36503-Q1 Other Parts Discussed in Thread: LMR36503E-Q1 Tool/software: Hi team, Would like to tell me the Peak-to-peak output ripple voltage's formula of LMR36503E-Q1? Thank you. Kind regards, Jiameng Gao
    • Resolved
    • Answered

  • LMR36503-Q1: LMR36503-Q1 Stability Calculations

    Resolved
    Part Number: LMR36503-Q1 Other Parts Discussed in Thread: TPS62933 , LMR36503 Hello, I'm trying to design a buck regulator with a 20V output, 0.1A current, using the LMR36503-Q1. I cannot find any guides on how to calculate the loop stability for a design…
    • Resolved

  • LMR36503-Q1: Efficient buck converter for very low load

    TI Thinks Resolved
    Part Number: LMR36503-Q1 Other Parts Discussed in Thread: LMR36500 Tool/software: I am designing a DC/DC converter to go from 30-60V input to 3.3V to supply about 20 mA to a microcontroller and some other chips. Efficiency is key, because it needs to…
    • Answered

  • LMR36503-Q1: bootstrap Rboot power dissipation calculation/formula

    Resolved
    Part Number: LMR36503-Q1 Tool/software: Dears, Please tell us how to calculate LMR36503-Q1 bootstrap resistor Rboot power disspation and its formula. we need to know it to select Rboot size and power rating. Thanks. Maguire
    • Resolved

  • LMR36503-Q1: Efficiency of 3.3V part / DC offset in PFM mode

    TI Thinks Resolved
    Part Number: LMR36503-Q1 Tool/software: Hi there, I am interested in the efficency of the 3.3V output version of this part in light load conditions (auto / PFM mode). Is there an equivalent to figure 7.3 (efficiency of 5V output part in Auto mode) but…
    • Answered

  • LMR36503-Q1: Short current spikes over the spec limit

    Resolved
    Part Number: LMR36503-Q1 Hi, LMR36503-Q1 is rated for 300 mA, but for my design, there are short (20 usec) current spikes that are 400 mA. Is that acceptable and not damaging to the part? Thanks
    • Resolved

  • LMR36503-Q1: Questions on LMR36503 FMEA

    TI Thinks Resolved
    Part Number: LMR36503-Q1 Hi, My customer had some questions on TI's LMR3650x functional safety Pin FMA documentation as well as pin to pin failures that are not listed in our document. We would like to try and better understand some of the outcomes…
    • Answered

  • LMR36503-Q1: Switching node voltage undershoots abs max ratings from datasheet

    Resolved
    Part Number: LMR36503-Q1 Other Parts Discussed in Thread: LMR36503 , TPS62825 , LM25148-Q1 Team, A customer of mine is currently verifying their LMR36503 design. Can you please help with following question? On a LMR36503 design we measure up to -0.63V at…
    • Resolved

  • LMR36503-Q1: DCM or CCM at light load

    TI Thinks Resolved
    Part Number: LMR36503-Q1 Hi Team, I've found that on the ds page23 it's said that the device operation: FPWM Mode - Light Load Operation: Discontinuous conduction mode (DCM) when the load current is lower than half of the inductor current ripp…

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