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  • LM26420-Q1: SCH review

    TI Thinks Resolved
    Part Number: LM26420-Q1 Hi Team, Could you please help to review this SCH?
    • Answered

  • WEBENCH® Tools/LM26420-Q1: LM26420-Q1 Efficiency problem

    Resolved
    Part Number: LM26420-Q1 Tool/software: WEBENCH® Design Tools Hi, I used LM26420-Q1 as dual step-down DC/DC converter with 1.8V & 3.3V output voltage. I have problem of efficiency (60%) with the outpout voltage 2 (1.8V) !!
    • Resolved

  • LM26420-Q1: LM26420-Q1 EMC- Conducted emissions from components/modules – current probe method

    Part Number: LM26420-Q1 Other Parts Discussed in Thread: LM26420 Hello Our power systerm ： Vin=5V，output：3.3V/500mA，1.2V/500mA. Part number：LM26420Q1XSQ/NOPB. Test method ： Conducted emissions from components/modules – current probe method ，lever…
    • Answered

  • LM26420-Q1: the calculation of the D1&D2 in LM26420-Q1 Detailed Design Procedure

    Resolved
    Part Number: LM26420-Q1 Other Parts Discussed in Thread: LM26420 HI There is an example to calculatie the D1 and D2 in LM26420 datasheet, but i can not get the same result. would you mind to explain the detail calculation for me? TKS!!
    • Resolved

  • LM26420-Q1: Loop Response

    TI Thinks Resolved
    Part Number: LM26420-Q1 Other Parts Discussed in Thread: LM26420 HI Team, LM26420Q1XSQ/NOPB part for 3.3V (0.2A actual consumption) and 1.2V (0.45A actual consumption) generation on board. 1.2V Gain margin fails. Kindly share your feedback to improve…
    • Answered

  • LM26420: Inductor type

    Resolved
    Part Number: LM26420 Hi At page 22, it is mentioned as below. . Ferrite based inductors are preferred to minimize core losses when operating with the frequencies used by the LM26420. This means the inductor is recommended the ferrite type. Is the metal…
    • Resolved
    • Answered

  • LM26420: Max output capacitor

    Resolved
    Part Number: LM26420 Hi Our customer ask us how much is the max output capacitor that you recommend. Most of case, the min output cap is calculated from the max ripple inductor current. On the other hands,the max value is depended on the loop characteristic…
    • Resolved
    • Answered

  • LM26420-Q1: LM26420-Q1

    Resolved
    Part Number: LM26420-Q1 Other Parts Discussed in Thread: LM26420 Quick power down controlled by EN ? We do need a forced dischage of the output capacitors. When changing EN from 1 to 0, will the bottom N-FET be activated in order to to quickly discarge the…
    • Resolved
    • Answered

  • WEBENCH® Tools/LM26420-Q1: WEBENCH Design can not be created with this device

    Resolved
    Part Number: LM26420-Q1 Other Parts Discussed in Thread: LM26420 , Tool/software: WEBENCH® Design Tools Hi, When i tried creating WEBENCH design the tool popped up with a message saying : Design can not be created with this device." I used this part…
    • Resolved

  • LM26420: PCB review

    TI Thinks Resolved
    Part Number: LM26420 Hi team, My customer is doing the PCB layout of LM26420. As the PCB size is limited, so there are some places that cannot follow our datasheet instruction. Do you have a contact window so I can send the PCB via email to someone to…

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