Part Number: LM2679 Tool/software: Hi, I am making a converter with my university graduation work.
I'm designing a buck converter that takes 24Vac voltage as input and outputs 12.6V dc voltage.
It was designed as shown in the circuit diagram in the…
Part Number: LM2679 Other Parts Discussed in Thread: LM2678 Hi Team,
Posting on behalf of our customer.
I will share this E2E post to our customer so he can reply when needed.
I have an old design (has worked well for many years) based on the LM2676…
Part Number: LM2679 Hi
We did an ultrasonic scan of this product and found that there were holes in the molding compound across the bonded wire region, and the layered pins in the bonded wire region were completely separated from the plastic seal. Could…
Part Number: LM2679 Tool/software:
Hi IT team,
During our production today, we found that this area could not be wetted with solder, as shown in the bottom-left figure.
However, some parts could indeed be soldered in that same location, as shown…
Part Number: LM2679 Tool/software: I'm hoping this thread will help the next person who searches for this issue. I ran into this problem after following the component selection guidance from the LM2679 datasheet. Most parts listed were obsolete so I tried…
Part Number: LM2679 Hello,
I have my own board with LM2678-5S(everything works well), I changed with LM2679-5S(compatible footprint with protection) and I added a radj = 6.2K/css = 3.3nf. Everything is ok if I load vout.
But when I try a short circuit…
Part Number: LM2679 Hi,
For our internal project we are using LM2679S-3.3/NOPB, LM2679SX-12 buck converters with TO-263 package . There is a center pad in these footprints should we connect it to ground pin of IC or should we keep unconnected?
Part Number: LM2679 Hi,
For our internal project we are using LM2679S-3.3/NOPB buck converter. Kindly review the attached schematics and let me know the comments if any.
Part Number: LM2679 We are only achieving 86% with an input voltage of 24V and an output of 12V. Worse yet, with the same input voltage we get even worse efficiency at 18V, approximately 83%.
Is there a reference design that matches the efficientcy…
Part Number: LM2679 Dear sir,
In LM2679 datasheet, it just list out the rdson data, no Ciss, Coss, Crss of internal DMOS power MOSFET, can you share it with me and customer?
Customer want to use it for Power loss calculation.
Nice day!
Regards…
