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Showing 53 results View by: Thread Post Sort by
  • LM22678: need a Negative power stage.

    Chen Alex1
    Chen Alex1
    TI Thinks Resolved
    Part Number: LM22678 Other Parts Discussed in Thread: LMR36506 , LMR51606 hi Sir We need a Negative rail stage. Vin:24v, Vout -15v/200mA LM22678 Is suit? thanks did you have any guide to do the DC inveter? thanks
    • 2 months ago
    • Power management
    • Power management forum
  • Answered
  • LM22678: Assistance Needed for LM22678TJE-5.0 IC Failure

    Haresh Prajapati
    Haresh Prajapati
    Resolved
    Part Number: LM22678 Tool/software: I am writing to seek your assistance regarding a problem we are encountering with the LM22678TJE-5.0 IC in our design. Below, I have outlined the details of our setup and the specific issues we are facing. Power Supply…
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
  • LM22678: LM22678-ADJ OUTPUT 12V5A fail

    zhang ping
    zhang ping
    TI Thinks Resolved
    Part Number: LM22678 Other Parts Discussed in Thread: LM61460 LM22678-ADJ is used, the input voltage range is 19V-28.8V, and the simulation with WEBENCH for 12V 5A output is failed. Why? How is it calculated? Please recommend a material to achieve…
    • over 3 years ago
    • Power management
    • Power management forum
  • LM22678: Copper Thickness of the PCB

    sonali zodage
    sonali zodage
    TI Thinks Resolved
    Part Number: LM22678 Hello, We are using an LM22678TJ-5.0/NOPB for our application, aiming for a 5V output at 4A. As per the datasheet recommendations, we used 2OZ copper boards. However, our manufacturer has suggested changing the 1.5OZ copper thickness…
    • over 2 years ago
    • Power management
    • Power management forum
  • LM22678: Buck converter design, simulation stuck on warning "ORPSIM-15256" PSpice For TI

    Geet Singh
    Geet Singh
    TI Thinks Resolved
    Part Number: LM22678 Hello, I am trying to simulate LM22678TJE-5.0/NOPB in my buck converter design using PSpice For TI, however, I am running into the following warning and the simulation just stops. This warning seems to be related to the inductor…
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • LM22678: Inverting regulator

    Kazuki Itoh
    Kazuki Itoh
    Resolved
    Part Number: LM22678 Hi team, My customer wonders why the inverting regulator application is deleted from the datasheet. He's using LM22687 for inverting regulator application so he wants to check if there's any risk. I recognize this was discussed…
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
  • Answered
  • LM22678-Q1: Regulator immediately blows up

    Davide Manià
    Davide Manià
    Resolved
    Part Number: LM22678-Q1 I built a power supply following the schematic generated by webench, but it draws a very high current from source and blows up almost instantaneously when switched on. It must be something very obvious, but I can't see it at the…
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
  • LM22678 :Regulator(LM22678 )Contact us for output voltage

    Park Moon Geun
    Park Moon Geun
    TI Thinks Resolved
    Part Number: LM22678 In the above circuit VIN 4.5V Rfbb = 1k Ohm Rfbt = (Vout/1.285-1) * Rfbb Rfbt = 1.568k Ohm When applied VOUT does not output 3.3V. Please explain. Thank you.
    • over 6 years ago
    • Power management
    • Power management forum
  • Answered
  • LM22678: Dispersion of VEN

    Kuramochi Tadahiko
    Kuramochi Tadahiko
    Resolved
    Part Number: LM22678 Hi, V EN is specified on the datasheet. How much is 1σ of V EN ? Best Regards, Kuramochi
    • Resolved
    • over 5 years ago
    • Power management
    • Power management forum
  • Answered
  • LM22678: We have design Switcher using LM22678J-5 V For 5A we need help for Switcher to remove output voltage noise

    YASHWANT  PARMAR
    YASHWANT PARMAR
    Resolved
    Part Number: LM22678 this is my schematic of lm22678 in which i get output voltage with noise . this is top and bottom layer of my design receptively . and this is dso result of switcher output voltage. please give some solution to reduce noise.
    • Resolved
    • over 4 years ago
    • Power management
    • Power management forum
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