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  • LM26420: LM26420

    Resolved
    Part Number: LM26420 Ladies and gentlemen, I'm currently using LM26420Q1 in my design and wondering if I can parallel the outputs of the same output voltage to have higher current output to the load. My intention was using 2 separate but the same value…
    • Resolved

  • LM26420-Q1: LM26420 fail tem test

    Part Number: LM26420-Q1 Thanks for your support After the chip returned to normal temperature after a low temperature test, the chip failed. The output voltage is less than 100mV. The resistance between sw to GND is 5 ohm. We guess the lower MOS is short…

  • LM26420-Q1: short-circuit to ground

    TI Thinks Resolved
    Part Number: LM26420-Q1 Other Parts Discussed in Thread: LM26420 , dear My circuit using LM26420-Q1, designed a way to output 3.3 V, the input is 5v, often there are veneer LM26420 SW pin resistance 4Ω or so (still work, only LM26420 extremely hot) or to…
    • Answered

  • LM26420: Error Propagation Question: Vref and Resistor

    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…
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    • Answered

  • RE: LM26420-Q1: SW waveforms appear overshoot and undershoot

    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
    • Answered

  • LM26420-Q1: When EN1/EN2 goes Low, how about PG1/PG2?

    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

  • RE: LM26420: 3.3V Output with Input between 3.0V and 4.2V

    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

  • LM26420-Q1: Power Section Review

    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…

  • 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…

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