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Showing 58 results View by: Thread Post Sort by
    Answered
  • LM26420: Error Propagation Question: Vref and Resistor

    Cameron Perl
    Cameron Perl
    Resolved
    Part Number: LM26420 Hey team, The LM26420 has a Vref accuracy of 1.5% (I assume this is +/-1.5%, correct?) - so if you are using a +/- 1% resistor to set the feedback voltage, what is the output voltage tolerance? Our formula would look something like…
    • Resolved
    • 1 month ago
    • Power management
    • Power management forum
  • Answered
  • RE: LM26420-Q1: SW waveforms appear overshoot and undershoot

    Febin
    Febin
    Resolved
    Hi, That's great! This was explained in the App note shared earlier. I will go ahead and close the thread. Please hit ' Resolved ' if you agree. Regards, Febin
    • 2 months ago
    • Power management
    • Power management forum
  • Answered
  • LM26420-Q1: When EN1/EN2 goes Low, how about PG1/PG2?

    Masatoshi Oguri
    Masatoshi Oguri
    Resolved
    Part Number: LM26420-Q1 Hello, When EN1/EN2 goes Low, what behavior is expected for PG1/PG2? If the Vout is still high enough, will PG1/PG2 keep high even if EN1/EN2=Low? Ot will it be Low immediately when EN1/EN2 goes Low regardless of FB1/FB2 voltage…
    • Resolved
    • 4 months ago
    • Power management
    • Power management forum
  • RE: LM26420: 3.3V Output with Input between 3.0V and 4.2V

    Febin
    Febin
    Hi Brenton , Do you need any further support on this issue? If not, I will go ahead and close this thread. Please feel free to reopen this thread if you have further questions. Regards, Febin
    • 5 months ago
    • Power management
    • Power management forum
  • LM26420-Q1: Power Section Review

    Dineshkumar R
    Dineshkumar R
    TI Thinks Resolved
    Part Number: LM26420-Q1 Hi, Need a review on LM26420Q1XMHX/NOPB part. Vin -5V Vout1 - 3.3V Vout2 - 1.2V Fsw - 2.2MHz Iout1 - 1.21A Iout2 - 1A Based on above details, I have updated those values in webench, Inductor values shows as 3.3uH. But as per manual…
    • 9 months ago
    • Power management
    • Power management forum
  • LM26420-Q1: SHORTING of OUTPUTS

    GANESH
    GANESH
    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…
    • over 1 year ago
    • Power management
    • Power management forum
  • LM26420-Q1: Output discharge

    beyondeva
    beyondeva
    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…
    • over 1 year ago
    • Power management
    • Power management forum
  • WEBENCH® Tools/LM26420-Q1: Need simulation model for LM26420

    user3498266
    user3498266
    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!
    • over 2 years ago
    • Power management
    • Power management forum
  • LM26420-Q1: SCH review

    Amelie Zheng
    Amelie Zheng
    TI Thinks Resolved
    Part Number: LM26420-Q1 Hi Team, Could you please help to review this SCH?
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • WEBENCH® Tools/LM26420-Q1: LM26420-Q1 Efficiency problem

    Chiha khalil
    Chiha khalil
    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
    • over 2 years ago
    • Power management
    • Power management forum
>

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