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  • LM5158: Selecting Inductor Value for DCM mode operation for LM5157 / LM5158

    Resolved
    Part Number: LM5158 My application is Vin=5 & Vout =24V / 20mA. Webench suggests using LM5158 in DCM mode as highest efficient design & lowest footprint. Please share how to calculate inductor value. I believe that in general, the inductor value…
    • Resolved

  • LM5158: WEBENCH design cannot be created

    TI Thinks Resolved
    Part Number: LM5158 Other Parts Discussed in Thread: LM5155 , LM5156 Hello team, I want to design LM5158 with 12Vin -> 54Vout with 1A of Iout. However, the design couldnt be created in webench. I believe it fullfills VIN and VOUT requirement of this…

  • LM5158: Compensator for DCM mode

    Part Number: LM5158 Hello, I am using LM5158 for Boost in DCM mode & want to design compensator for it. I referred SNVA940 – NOVEMBER 2021 which elaborates the compensator design for CCM. Please can you confirm if the same applies for DCM as well…

  • LM5158: parallel opreration

    Other Parts Discussed in Thread: LM5158 we want to use LM5158 for aprallel application, please refer to Figure-1. but we worried that the voltage difference at both ends cause the one channel to not work, so we found Ti previous recommended information…

  • LM5158: Compensator Component Selection for Boost

    Part Number: LM5158 Compensator Component Selection for Boost- I am selecting the compensator circuit component using the SNVR511 calculator. But when I run Webench simulation using the above mentioned calculated compensation component values, I get different…
    • Answered

  • RE: LM5158: for output 54v design

    Resolved
    Hi Brigitte, yes, customer need to share current, so need add current share function solution? or choose ultra low Vf schottky. and have any reference design guide line can refer for us?

  • LM5158: Required Multiple Isolated Output Reference Circuit (24V, 12V, 10V, 3.3V)

    Part Number: LM5158 Other Parts Discussed in Thread: LM5157 As a one of our project Implementation, we planned to use LM5158 I have attached the reference schematic of LM5157 with this request. Similar to that, I want to generate Isolated Power supply…
    • Answered

  • LM5158: Webech Error

    Resolved
    Part Number: LM5158 Other Parts Discussed in Thread: LM5157 Hi Team, My customer uses webench for LM5158. Then he puts more than 1A in Iout, design can't be created though 0~3A should be OK. Could you let me know why and how we can solve? Best regards…
    • Resolved

  • LM5158-Q1: Failing below specified input voltage

    Part Number: LM5158-Q1 My regulator is working well I was having temperature issues operating at 2Mhz so I decided to switch to 1mhz. Inductor size was doubled and correct frequency set resistor was selected. This improved the overheating a lot. But now…
    • Answered

  • LM5158-Q1: Fast temperature rise

    Resolved
    Part Number: LM5158-Q1 Other Parts Discussed in Thread: LM5157EVM-SEPIC , LM5158 , LM5157 Hello, we are trying to use the LM5158-Q1 in the SEPIC topology to output 25V with a max of 1A. We built a prototype and tested with a half amp load and saw a very…
    • Resolved

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