All Questions
5
questions
6
votes
2
answers
1k
views
How does a buck converter's output ripple waveform become sinusoidal?
Below image is from Fundamentals of Power Electronics.
The ripple component of the inductor current will be flowing through the capacitor as shown in the ic(t) graph. This one I understood.
May I ...
- 2,593
1
vote
1
answer
164
views
Buck converter voltage breaks down with load A4403
I am currently working on a Buck Converter that should charge my battery pack 4S2P.
The problem is that by increasing the load the voltage is dropping, and with 450 mA (depending on the value of the ...
- 13
1
vote
1
answer
208
views
Duty cycle generator (PWM Modulator)
Below is a circuit used to control duty cycle in SMPS, and I have some question about this design:
Why the designer has connected the output of the error amplifier (Type 3 in this circuit) to the ...
- 1,020
2
votes
2
answers
1k
views
Multiple Step-Down Voltage Rails from a single DC Power Supply
I have one working PCB which has three different Voltage Rails: 3.3V, 4V and ...
- 962
1
vote
1
answer
767
views
How come SMPS regulators doesn't show current limiting circuit?
for example the LM2678-ADJ is a famous buck converter, there are also many others. I have googled and looked through other regulators, there are many schematics in the datasheets of how you make the ...
- 483