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1 vote
2 answers
4k views

How to design a boost converter? And how to specify the inductor and capacitor values?

I want to design a boost converter with input of 48V and need to get to a voltage of 100V. How to select the inductor and capacitor values in it?
sandeep's user avatar
  • 11
3 votes
1 answer
245 views

Control to output transfer function

I am trying to derive control to output transfer function of phase shift full bridge converter. Applying small signal analysis, I reach to the point/schematic as shown in the picture below: Document ...
Mhan's user avatar
  • 730
11 votes
5 answers
20k views

DC-DC Boost converter in Parallel

I'm trying to power a 12V 1A device with 1 cell lipo battery. At 12W, the lipo would need to provide 3.24A (assuming no power loss) to step up the voltage to 12V and providing 1A. However the DC-DC ...
Infrasonic's user avatar
6 votes
7 answers
8k views

How to reduce MOSFET heating in Buck Converter

I have designed this Buck Converter which convert 60VDC to 12VDC at 10A. Switching Freq 100KHz. Facing MOSFET too much heating issue. MOSFET ON time and OFF time is decided by a UC3845B based circuit. ...
Fatpanda's user avatar
6 votes
3 answers
3k views

Understanding Boost Converter

Theres a very good explanation for the Boost Converter on Wikipedia. But it is a very mathematical explanation. How would you explain the Boost converter to a non Math person like me?
cheeky's user avatar
  • 483
6 votes
2 answers
5k views

Behavior of Boost and Buck Converters

I have a couple questions about boost and buck converters. First, do they try to hold the output voltage constant, or do they alter the input voltage by a constant factor? For example, if I change ...
John Leuenhagen's user avatar
4 votes
3 answers
3k views

How synchronous buck converters continue to operate in light load conditions

simulate this circuit – Schematic created using CircuitLab For all intents and purposes lets assume this basic power stage of a synchronous buck design above. Let's also assume a steady state ...
EEinDEPE's user avatar
3 votes
4 answers
11k views

Difference between synchronous and conventional dc-dc boost converter?

What is the difference between synchronous and conventional dc-dc boost converter? which one is best and why?
ipsita dash's user avatar
3 votes
3 answers
9k views

Not getting stable voltage output with DC-DC Buck Converter

Coming from a computer science background, I'm new to electronics and my first post here. I'm working on a hobby project with the intention of designing a PCB eventually and the first step is to ...
peeyush.garg's user avatar
0 votes
1 answer
163 views

Phase shift full-bridge converter

During t3-t4, only Q3 is ON shown with black arrow. On the bottom-right of the picture, primary voltage and primary coil current increases towards negative. I don't understand how the primary ...
Mhan's user avatar
  • 730