• LM22679: schematic

  

  Chi Zhang2

  TI Thinks Resolved

  Part Number: LM22679 Tool/software: Hi Expert, We are currently using the LM22679-ADJ chip, and when the ground of the bypass diode and the output power ground are connected together, there will be a ripple of 1.8kHZ on the output power supply, and…

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

• LM22679: LM22679-ADJ vs LM22679-5.0 for 12V Output

  

  D R

  Resolved

  Part Number: LM22679 WEBENCH suggest both parts for 12V output from 36V input. Datasheet , section 7.1, suggests that for output voltages 5V and above, the -5.0 version should be used. I am looking for an advice about which part to use for 12V output…

  • Resolved

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

• LM22679: Pin FMEA details

  

  Arun M1

  TI Thinks Resolved

  Part Number: LM22679 Hello, Is the pin FMEA details available for LM22679. Would like to understand the impact of ADJ and SS pin - Short to VCC,GND and adjacent pin condition. Thanks Arun

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

• LM22679: LM22679-5p0_AVG for loop stability test

  

  D R

  Resolved

  Part Number: LM22679 Hello, I completed my design with LM22679-5p0_TRANS model, and now I would like to test loop stability. My understanding is that I should replace TRANS model with the TM22679-5p0_AVG model, and properly connect VIN, FB, SW and GND…

  • Resolved

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

• LM22679: As the load current increases, the output voltage decreases and the inductive current oscillates

  

  Ivy Jin

  TI Thinks Resolved

  Part Number: LM22679 Hi team, My customer uses LM22679TJ-ADJ in their project and the customer met two issues now. Below is their schematic. 1. As the load current increases, the LM22679 output voltage decreases 2. As the load current increases…

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

• LM22679: Oscillation is unstable

  

  user1881876

  Resolved

  Part Number: LM22679 Dears, We have been using LM22679TJE-ADJ in our products for 9 years. Until now, we had cleared the shipping inspection without any problems, but from this lot, the ripple has increased. This is the first time I have been manufacturing…

  • Resolved

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

• LM22679: Soft Start Unused

  

  Mohd Syukri Mohd Omar

  Resolved

  Part Number: LM22679 Other Parts Discussed in Thread: LM22678 Hi, I would like to use LM22679 as alternative part for my current LM22678 design. If Soft Start feature are not require, can I just left it floating? Thanks.

  • Resolved

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

• LM22679-Q1: LM22679-Q1

  

  Berender Adhikari

  TI Thinks Resolved

  Part Number: LM22679-Q1 Hello, Is LM22679-Q1 is a buck converter or a voltage regulator or a ldo?

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

• LM22679: Remote on/off control?

  

  Steve Dodds

  Resolved

  Part Number: LM22679 Other Parts Discussed in Thread: LM61460 , LM22677 HI I need to add remote on/off control to a regulator using the LM22679 - is this possible? Many thanks Steve

  • Resolved

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

• LM22679: Voltage Drops With Load

  

  Paul Petersen

  TI Thinks Resolved

  Part Number: LM22679 HI all, I've been handed some prototype boards to debug that use the LM22679-ADJ part to generate a 5V, 4A max output from a 9V to 19V input. This is the first time we are using this circuit. The output is stable for a given load…

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

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