All Questions
5
questions
0
votes
1
answer
365
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Step-down converter in an ATX PSU, why?
I was recently looking at a 500W PSU schematic, and found out they used step-down converters on 12v and 5v output. Schematic is attached(pls see hi-res at https://ibb.co/nbDRJPq)
The D2 diode charges ...
0
votes
3
answers
4k
views
high current buck converter?
I am in the process of building a power bank with 18650 batteries for a trolling motor. The nominal voltage for this battery is 14.8 V. The motor specs are 12 VDC - 45 A max current draw.
Now the ...
-1
votes
2
answers
455
views
build or buy buck converter
Hi I am looking to step down a 10 volt DC to 5 DC with low output current (less then 1 amp)
Is it the best to build a buck converter or to buy it ready ?
thank you
Actually I am using an arduino,
I ...
1
vote
2
answers
864
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MP1584 inductor calculation
I would like to calculate the inductor value for MP1584EN.The datasheet says:
$$L= \frac{V_{out}}{f_s \Delta I_L} (1- \frac{V_{out}}{V_{in}})$$
On the first page of the datasheet there is a typical ...
0
votes
1
answer
2k
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Need circuit for 12 volt 2 Amp step down power supply from 18 volt 1.5 Amp Input
I have a power supply which outputs 18v 1.5 amp. For the purpose of my project, I need a 12v 2 amp power supply. I was wondering, if I can make a simple buck converter to convert 18v 1.5amp DC to 12v ...