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0 votes
1 answer
365 views

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 ...
Jimmy Falcon's user avatar
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 ...
lehll's user avatar
  • 61
-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 ...
redouane's user avatar
1 vote
2 answers
864 views

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 ...
Bruk's user avatar
  • 79
0 votes
1 answer
2k views

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 ...
sribasu's user avatar
  • 754