Answered

• LM2678: About short test of LM2678SD-ADJ

  

  Uchida Yasuhide

  Resolved

  Part Number: LM2678 Other Parts Discussed in Thread: LM76005 , Hi, I have two questions about the LM2678SD-ADJ. Q1:Does the LM2678SD-ADJ have a risk of internal circuit short between Vin(Input) and Vout(Switch output) ? Q2:Could you give me the…

  • Resolved

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

• LM2678: Lm2678

  

  Vikash Kumar1

  TI Thinks Resolved

  Part Number: LM2678 I have designed the typical application from datasheet , The noise is occurring on the load at interval, I put a TV's diode sma13A and mov at the output. But no effect. Please suggest the solution.

  • over 6 years ago
  • Power management
  • Power management forum
Answered

• LM2678: About voltage level of LM2678SD-5.0

  

  Uchida Yasuhide

  Resolved

  Part Number: LM2678 I have a problem of voltage drop on LM2678SD-5.0. I understand 5V fixed voltage about LM2678SD-5.0. But I must resolve voltage drop using LM2678SD-5.0. I expect to become to voltage increasing that I add series resistor on FB…

  • Resolved

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

• LM2678: Test

  

  Cedrick

  TI Thinks Resolved

  Part Number: LM2678 Hi, Good day. Just a quick question, our customer would like to know if the LM2678 in NDZ package would work on a breadboard. Would it be possible? Thank you. Regards, Cedrick

  • over 4 years ago
  • Power management
  • Power management forum
Answered

• LM2678: Datasheet clarifications

  

  Jonathan Geronga

  Resolved

  Part Number: LM2678 Other Parts Discussed in Thread: LMR33620 , LMR33630 Hi Team, I would like to get your comments regarding the customer clarification with the datasheet of LM2678 as the customer seems seeing conflict information regarding his design…

  • Resolved

  • over 4 years ago
  • Power management
  • Power management forum
Answered

• LM2678: 5.9V output with no load on a 5V Fixed Switcher

  

  Stephane gautier

  Resolved

  Part Number: LM2678 Hello, i have some experience with the LM2678 in almost all it's package versions, my last design include a LM2678SD-5.0/NOPB which does not require Feeback resistors to program the output voltage. Vin 18V ; Iout 1.5A, Cin 2x15µF…

  • Resolved

  • over 4 years ago
  • Power management
  • Power management forum

• LM2678: What`s the reason of the LM2678 output voltage delay or output voltage ripple greatly ?

  

  du zhang

  TI Thinks Resolved

  Part Number: LM2678 dear sir l use TI Buck lm2678sx-5.0 /NOPB, the shematic is as follow:The input voltage is 11V (capacitor 1000uF*2), the output voltage is 5V (capacitor 1000uF*3), the inductance L is 22uH (saturation current 3.6A), and the load current…

  • over 6 years ago
  • Power management
  • Power management forum

• RE: TINA/Spice/LM2678: Difficulty with LM2678 Spice Simulation

  

  Praveen Badiger

  Hi Shaun, We have fixed this issue and the fix will be reflected on ti.com by end of the next week. Thanks & Regards, Praveen B

  • over 6 years ago
  • Simulation, hardware & system design tools
  • Simulation, hardware & system design tools forum

• LM2678: LM2678 alternate part.

  

  Karthik B

  TI Thinks Resolved

  Part Number: LM2678 Other Parts Discussed in Thread: LM73605 Hi, Will LM2678 part will be discontinued ? Because there is an alternate part specified in the website . And LM2678 is 5A but the alternate part is 3A , Is this part suggested is pin to…

  • over 7 years ago
  • Power management
  • Power management forum

• LM2678: Abnoraml Cboot Voltage

  

  Kuramochi Tadahiko

  Part Number: LM2678 Hi, Abnormal Cboot Voltage is observed as the attached file. Cboot voltage is below than SW voltage and difference between VIN and SW voltage(High) is over 2V. This is observed on multiple boards. However, output voltage…

  • over 5 years ago
  • Power management
  • Power management forum

Didn't find what you are looking for? Post a new question.