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  • LM26420-Q1: SHORTING of OUTPUTS

    Part Number: LM26420-Q1 Hi Everyone, LM26420-Q1 has 2 voltage outputs. I am planning to use the part with MPN: " LM26420Q1XMH/NOPB " Pl. suggest me whether I can short 2 outputs, so as to cater the high load (which is >2A)? If YES, any caution…

  • LM26420-Q1: Output discharge

    Part Number: LM26420-Q1 Hi I want to ask about the discharge time of DC/DC converter LM26420-Q1. For example, if the 2.2V output voltage will drop when the enable signal of the DCDC power supply is turned off, then I want to know how to calculate the…

  • WEBENCH® Tools/LM26420-Q1: Need simulation model for LM26420

    TI Thinks Resolved
    Part Number: LM26420-Q1 Tool/software: WEBENCH® Design Tools Hi, I want to do simualtion on LM26420 , but there is no any simulation model and no webench support, who can provide me the simulation model or alternative simulation model,thanks!
    • 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: SCH review

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

  • 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

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