All Questions
6
questions
1
vote
0
answers
99
views
Input filter for switching regulator
I'm trying to create an input filter for a switching regulator for automotive application.
My aim is to make a supply board, where from 24V come out 12V (from the buck) then 10V and 5V (from two LDOs)....
- 61
2
votes
1
answer
144
views
MPQ4470-AEC1 Layout guideline clarification
I am using MPQ4470-AEC1 in my design. In the datasheet page no 18 contains the layout guidelines.
I have some questions about guideline no:2 and no:3 .Those guidelines are given below.
Place input ...
- 2,593
0
votes
1
answer
583
views
Switch node ringing: How does high-side MOSFET turn-on time affect the ringing amplitude?
I was trying to understand the ringing in buck converters during turn on. The following equivalent circuit model was found in a website link.
My doubt is:
How does the turn-on delay of the switch ...
- 3,032
2
votes
0
answers
243
views
EMI Filter For Low Power SMPS
I've designed a 1.25W buck converter which is fed by 220VAC(85-265) and has a 5V output. Now I'm trying to design a EMI input filter for it. I don't have a PE connection so I didn't use a CM filter so ...
- 319
0
votes
1
answer
176
views
EMI Filter for Buck Converter
I'm trying to design an EMI filter for a buck converter and I'm following steps on: AN-2162
Here is the question:
At page:6, for the Cf capacitor; two different capacitor values are calculated and ...
- 319
1
vote
2
answers
449
views
Switcher discontinuous mode - potential EMI problem
I need to design switching mode power supply with input voltage range of 25V-45V and output voltage 5V@2A.
Power supply must be ON while the system is in sleep mode(~1mA consumption). In that ...
- 719