Hello , Dear
1. If you use 2 chips pull-up, whar should i do ? or 1chips pull-up?
I think , there is no problem because active high
2. When using an external power supply that you can use the pull-up?
[The PGOOD is pulled up when all three buck converters’ outputs are more
than 90% of its nominal output voltage and reset time of 1 second elapses. The polarity of the PGOOD is active
high. ] - datasheet
3. PCB design is the problem not the cause of action buck3 anything is there?
1. Power Source - Adapter 12V 1.5A
2. Send to me e-mail address
