Answered

• LM22678: Inverting regulator

  

  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

  • 3 months ago
  • Power management
  • Power management forum
Answered

• LM22678-Q1: Regulator immediately blows up

  

  Davide Manià

  Resolved

  Part Number: LM22678-Q1 Other Parts Discussed in Thread: TEST 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…

  • Resolved

  • 3 months 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

  Resolved

  Part Number: LM22678 Other Parts Discussed in Thread: TEST 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…

  • Resolved

  • 6 months ago
  • Power management
  • Power management forum
Answered

• LM22678: Dispersion of VEN

  

  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 2 years ago
  • Power management
  • Power management forum
Answered

• LM22678: About inverting output application

  

  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 2 years ago
  • Power management
  • Power management forum

• LM22678 :Regulator(LM22678 )Contact us for output voltage

  

  Park Moon Geun

  TI Thinks Resolved

  Part Number: LM22678 Other Parts Discussed in Thread: TEST 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 3 years ago
  • Power management
  • Power management forum

• LM22678: Buck Controller Feed Back Control not working

  

  Gurusamy M

  TI Thinks Resolved

  Part Number: LM22678 Other Parts Discussed in Thread: MAM 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…

  • over 2 years ago
  • Power management
  • Power management forum

• LM22678: Feed Back Control is not working while increasing the Input Voltage

  

  Gurusamy M

  TI Thinks Resolved

  Part Number: LM22678 Other Parts Discussed in Thread: MAM 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…

  • over 2 years ago
  • Power management
  • Power management forum

• LM22678: Power management forum

  

  WooSeok Nam

  TI Thinks Resolved

  Part Number: LM22678 Other Parts Discussed in Thread: TEST Hi all. According to the data sheet, the resistance is set as shown below, and 4.998V is normally output. However, after a few seconds to a few minutes, the power goes down. Vin 12V Vout 5V …

  • over 2 years ago
  • Power management
  • Power management forum

• WEBENCH® Tools/LM22678: LM22678 or LM2678 which switcher suitable for our Application

  

  hardik jani

  TI Thinks Resolved

  Part Number: LM22678 Tool/software: WEBENCH® Design Tools Hello All, Greetings!!! we need one help please confirm this IC LM22678TJ-5.0/NOPB as per our requirement suitable or not please see below specification. because currently I have a design LM2678 …

  • over 3 years ago
  • Power management
  • Power management forum

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