how to make Regulated power supply of 0 - 48V 5Amp using 24-0-24 V 5Amp center tapped transformer?

vicky salunkhe

Sep 17, 2017
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Sep 17, 2017
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hello i am new to the world of electronics field

i was trying to build an regulated power supply using
24-0-24 V 5 Amp Center tapped transformer input is 230 V AC
Trying to get 48V 5Amp as an output

i was not able to conclude which components should be used and how to determine which components will be helpful

i have attached an Circuit diagram for 12-0-12 V 1 Amp center tapped transformer but i am not able to conclude which components to be changed as per my requirement

Thanks your help will be really appreciated ;)
 

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kellys_eye

Jun 25, 2010
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i am not able to conclude which components to be changed
All of them!

The LM317 has a maximum rated differential voltage (input-to-output) of 36V - and can only pass 1.5A etc etc.

There are many schematics if you Google 50V variable PSU.
 

(*steve*)

¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd
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Jan 21, 2010
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The transformer is not capable of 48VDC at 5A unless you use a switchmode regulator (and even then, you'll be asking for more than 100% from it).
 

WHONOES

May 20, 2017
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The 48V rating refers to the transformer voltage at full load. When rectified and smoothed, the maximum current available will be 70% of the stated RMS current.
 
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