Due to the U.S. Thanksgiving holiday, please expect delayed responses during the week of 11/22.



Search tips
Showing 12 results View by: Thread Post Sort by

  • LMR10510: Wrong value of R1 or R2 used for 3V3 output

    TI Thinks Resolved
    Part Number: LMR10510 Hi, According to the datasheet , for the LMR10510X 3V3 1A output, R1 needs to have a value of 45K3 and R2 needs to have a value of 100K (see figure 9.2.3.2, page 18). However, according to chapter 9.2.1.6 (page 15), the resistor values…

  • LMR10510: Stability issue of LMR10510XMF/NOPB

    Part Number: LMR10510 Stability issue reported by a TI Customer- We came across a stability issue of switcher regulator LMR10510XMF/NOPB. As shown in the schematic below, C81P CAP 10nF was recommended by TI for Vout = 1.8V for LMR10510XMF for stability…

  • RE: Error in LMR10510 Datasheet?

    There is a mistake in datasheet from formula and reference design in this formula with 3,3V V out and R1=45K ...the R2 need to be 10K not 100K ....
    • Answered

  • LMR10510 efficiency issue

    Resolved
    My customer asks: We have a load at 3v3 that takes from about 100mA to about 400mA, depending on what’s turned on. We’re trying to step down from USB input, so a nominal 5v0, but ranging from 4v5 to 5v5. Trying it out at the low end of the…
    • Resolved
    • Answered

  • Is it possible to ZETA using LMR10510?

    Resolved
    Other Parts Discussed in Thread: LMR10510 Hello everyone . I need ZETA DC-DC from 3,7 V to 6.4V at a current of 50mA. LMR10510 suitable for this? According to 7V datasheets will not damage the chip , I also need 6.4 V.
    • Resolved
    • Answered

  • LMR10510/LMR10515 Enable Pin

    Resolved
    Other Parts Discussed in Thread: LMR10510 Hi Team, Customer wanting to enable LMR10510/10515 with output of 1.8V LDO, but is concerned about zero margin in the design. In the datasheet there are no diagrams regarding the dependancy of this signal to any…
    • Resolved
    • Answered

  • RE: TMS320F28377D: Issue with Loading into Flash

    Resolved
    Hi Vamsi, We found the issue, that 1.2v voltage regulator LMR10510 couldn't deliver enough current, maybe there is a design issue. Thanks for your help. Cindy
    • Answered

  • TMS320F28375S: Controller is behaving strange. VDD (1.2V) issue?

    Resolved
    Part Number: TMS320F28375S Other Parts Discussed in Thread: LMR10510 , LM43602 , UNIFLASH , LM2830 Hello. I have a PCB with a TMS320F28375S. The situation is, that code execution in the controller stucks (controller hangs up?), when the different controller…
    • Resolved
    • Answered

  • RE: CCS/TMS320F28377S: Error in flashing loading

    Resolved
    Hi Nirav, even if we don't get any glitch on the internal board supply, using an external power supply for the 1.2V we were able to load the internal flash. We changed the feebback network of the LMR10510 to obtain a 1.23V. In these conditions all…
    • Answered

  • TPS62240: SOT-23 MODE function?

    Resolved
    Part Number: TPS62240 Other Parts Discussed in Thread: TPS62260 , TPS62821 , TLV62568 , TPS62561 , LMR10510 , TLV62585 , TLV62569 Does the SOT-23 version of the TPS62240 have fixed-frequency enabled or disabled? The mode pin is missing, how is it wired up internally…
    • Resolved

Didn't find what you are looking for? Post a new question.