Search tips
Showing 48 results View by: Thread Post Sort by

  • LMR33640: CFF calculation

    TI Thinks Resolved
    Part Number: LMR33640 Hello. About LMR33640, at page 21/44 of the datasheet is shown this equation. My question is about the value of Cout. For example, if I am going to use 3x 22uF (22uF nominal) ceramic capacitors at output. Then at the equation should…

  • LMR33640: schematic review

    TI Thinks Resolved
    Part Number: LMR33640 Hi expert could you please help review the schematic of LMR33640, it's used on the STB, the actually output is 12V 2A the inductor parameter: I sat =10A，I_TEMP=6A, DCR=44mohm.
    • Answered

  • LMR33610: LMR33610/LMR33640 EMI

    Resolved
    Part Number: LMR33610 Other Parts Discussed in Thread: LMR33620 , LMR33630 , LMR33640 , , LMR33630-Q1 HI~ EMI is mentioned in LMR33620/LMR33630 DATASHEET 1PAGE. ----------------------------------------------------------- Low EMI and low switching noise Low…
    • Resolved

  • LMR33640 PSPICE simulation incorrect

    TI Thinks Resolved
    Hi, I have the question regarding PSpice simulation of 24V to 15V power supply design. Based on the project on WEBENCH: I created the project in Pspice: but with the simulation I am not able to achieve 15V output voltage. Can you recommend changes in…
    • Answered

  • LMR33640: Variable Buck output

    Resolved
    Part Number: LMR33640 Other Parts Discussed in Thread: LMR51440 Hi all, I need to build a buck solution with 14.4V IN and a variable output from 3V to around 13.5V 3A. I thought about using a LMR33640ADDAR because of the low cost and because it's sync.…
    • Resolved
    • Answered

  • LMR33640: LMR33640

    Resolved
    Part Number: LMR33640 Hello, I would like a helps about PSpice, I went to the PSpice forum but the delay is too long and I have to move forward. So I have a file (a simulation file that works very well). But When I try to simulate myself I'm having a…
    • Resolved
    • Answered

  • LMR33640: Method of determining parameters

    Resolved
    Part Number: LMR33640 Hello team, I received a question from the customer. Could you please explain the calculation process for the highlighted areas? VIN：***V，VOUT：***V，fsw：***kHz，K：***，IOUTmax：***A For example, the following calculation results in…
    • Resolved

  • RE: LMR33640: Questions when configuring LMR33640 with IBB topology

    both is ok, I suggest use both capacitor to decrese the input ripple. the input rippple is related to ESR and input power, so low ESR capacitor is recommend. and in the same time, it also need to provide power, so we need put 47 uF to 100 uF capacit…
    • Answered

  • LMR33640: wave soldering

    Resolved
    Part Number: LMR33640 Other Parts Discussed in Thread: TPS5420 , TPS54331 Hello, Our customer is looking for a DCDC converter to meet following spec, and found out LMR33640 is the best. However I do not know LMR33640 can support wave soldering. Could you…
    • Resolved
    • Answered

  • LMR33640: 2 layer PCB design

    Resolved
    Part Number: LMR33640 Hello, Our customer evaluated LMR33640 in TI EVM and it works successfully. His concern is thermal management since his design has to be done by 2 layer PCB rather than 4 layer PCB in the EVM. Could you suggest if you have any idea…
    • Resolved

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