Zener diode as a Shunt regulator

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hasanz89

Joined Jul 10, 2014
5
I need help on 12 v adapter with 12-5-2A output Provided with 350 rms output using bridge rectifier. It used a mosfet irf 730 with 400 v what kind of zener utility to use if the desired output is 12-5-2A is 5.1 volt zener diode will satisfied circuit Thankyou
 

Thread Starter

hasanz89

Joined Jul 10, 2014
5
What is 350 rms output?
Post a schematic.
the rms from 220 volt is 311 volt at rload bridge rectifier,but during the voltage test I found the D3 is alternate to positive?
if the threshold of irf 730 is 2.0 volt so the drain voltage does not fall below the gate voltage by more than 2.0 volts
I will try to post a scematics soon,thank you
 

Thread Starter

hasanz89

Joined Jul 10, 2014
5
it's a voltage regulator generated a fixed output from a primer circuit using Mosfet and BJT to maintain a constant 12 volt and 5 volt output with 2 Ampere electric current
 

JohnInTX

Joined Jun 26, 2012
3,986
Agreed. Closed. Transformerless power supplies are not allowed on AAC per the Terms of Service. If you can pursue the circuit after adding a transformer to isolate the circuit from mains, PM a moderator with the schematic and we will reopen the thread.
Thanks for your understanding.
 
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