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  • WEBENCH® Tools/LM5118-Q1: Bode Plot Values and Output Voltage Ripple Not Generated During Certain Input Voltage/Output Current Conditions

    TI Thinks Resolved
    Part Number: LM5118-Q1 Tool/software: WEBENCH® Design Tools Hello, I created a design using the LM5118-Q1 in Webench. My input parameters were as follows: Vin Range - 10.5 to 36V Iout Max - 3A Link to design: https://webench.ti.com/appinfo/webench/scripts…
    • Answered

  • LM5118-Q1: design schematic review

    Resolved
    Part Number: LM5118-Q1 Other Parts Discussed in Thread: LM5118 , LM5088 the attachment is the schematic used lm5118&lm5088, please help to review and give your comments if have any problem, thank you LM5088-5188.pdf
    • Resolved
    • Answered

  • LM5118-Q1: Propagation dealy when start up the output voltage after EN is in high state

    Resolved
    Part Number: LM5118-Q1 Hello Team, What is the maximum propagation delay of LM5118-Q1 to start up the output voltage after EN is in high state? Please provide the relevant data on the T_en as marked in the diagram below. Best regards, DY
    • Resolved

  • LM5118-Q1: LM5118-q1

    TI Thinks Resolved
    Part Number: LM5118-Q1 Other Parts Discussed in Thread: LM5118 , LM5141 , PMP15041 , TPS54360 Hi Team, I am using LM5118-Q1 BUCK-BOOST controller.In NO load condition its will take 5 to 7mA.i need Operating Quiescent Current is less than 500uA.kindly give…

  • LM5118-Q1: LM5118-Q1 Start Voltage

    TI Thinks Resolved
    Part Number: LM5118-Q1 Other Parts Discussed in Thread: LM5118 Dear TI Team, I am designing the LM5118-Q1. We design a 5V 1A output on 4 ~ 8V inputs. The LM5118-Q1's data sheet contains the phrase 5-V VIN is required to initially start the controller…

  • LM5118-Q1: Functions in Buck mode, but not Buck Boost mode.

    Part Number: LM5118-Q1 Hello, After revising my layout design due to prior advice, I have built a prototype and have begun testing it. I have found that it functions in buck mode, where the input supply is greater than the output, but does not function…
    • Answered

  • LM5118-Q1: Issue with running under load, and schematic review

    Resolved
    Part Number: LM5118-Q1 Other Parts Discussed in Thread: LM5118 Hello, I am having difficulty getting a 24VDC to 24VDC regulator working using the LM5118-Q1. It is to protect some equipment in an industrial automotive environment. The specs I hope to achieve…
    • Resolved
    • Answered

  • LM5118-Q1: Issue with buck boost mode operation

    Resolved
    Part Number: LM5118-Q1 HI, For LM5118Q1MH, VIN = 15 - 30V, VOUT = 21.5V, Load = 3.0A. Our voltage output test fails on some production units when VIN = 27.25V-27.75V (.25V per test step). When we analyze it appears that the suspect devices are switching…
    • Resolved
    • Answered

  • LM5118-Q1: Why we can not set the max Voltage is 70 using WEBENCH？

    Resolved
    Part Number: LM5118-Q1 Dears: Why we can not set the max Voltage is 70 using WEBENCH？ And only set 51V, pls. kindly help to give some advice.
    • Resolved
    • Answered

  • LM5118-Q1: Controller damages and only outputs ~4V after one or two minutes of operation

    Resolved
    Part Number: LM5118-Q1 Other Parts Discussed in Thread: LM5118 Good Day, I have the controller set at 14 V, 300 kHz, 123 ms of soft start, undervoltage threshold at 4.5 V. The input voltage comes from a generator that outputs a rectified dc voltage of…
    • Resolved

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