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Showing 44 results View by: Thread Post Sort by
  • 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 the…
    • 6 months 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 1 year 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 1 year 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 1 year 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 3 years ago
    • Power management
    • Power management forum
  • Answered
  • LM22678: About inverting output application

    Masanori Tachibana
    Masanori Tachibana
    Resolved
    Part Number: LM22678 Hi support team, I have some questions about the LM22678. Our customer is considering using LM22678. [Questions] 1. Can LM22678 be used as an inverting converter? (For example, 12 V to -5 V output) I’m concerned that "4 Revision History…
    • 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 4 years ago
    • Power management
    • Power management forum
  • LM22678: Buck Controller Feed Back Control not working

    Gurusamy M
    Gurusamy M
    TI Thinks Resolved
    Part Number: LM22678 Dear Sir/Mam, We are using the Part for LM22678TJE-ADJ/NOPB 5V generation. While giving the input at 12V, output voltage generated for 5V. But if iam increasing the input voltaeg from 12V to 28V means output voltage also increased…
    • over 3 years ago
    • Power management
    • Power management forum
  • Answered
  • LM2678: LM2678 adjustable alternatives

    Julien Galtié
    Julien Galtié
    Resolved
    Part Number: LM2678 Other Parts Discussed in Thread: LM2679 , LM22679 , LM22678 , LM2677 , LM22677 , Dear support, On my adjustable output voltage application I currently use the LM2678SX-ADJ reference but I would need some alternative references. Can the LM2677…
    • Resolved
    • 1 month ago
    • Power management
    • Power management forum
  • LM22678: Feed Back Control is not working while increasing the Input Voltage

    Gurusamy M
    Gurusamy M
    TI Thinks Resolved
    Part Number: LM22678 Dear Sir/Mam, We are using the Part for LM22678TJE-ADJ/NOPB 5V generation. While giving the input at 12V, output voltage generated for 5V. But if iam increasing the input voltaeg from 12V to 28V means output voltage also increased…
    • over 3 years ago
    • Power management
    • Power management forum
>

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