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Dc 12v to 6v

Lozil

New Member
Hi Everyone, i need a circuit which can convert 12v dc from a battery to 6v dc, please post the circuit diag along,
Thanking you all
 

Papabravo

Well-Known Member
Either a linear or a buck regulator will do the job. What load current did you have in mind?
 

dknguyen

Well-Known Member
Most Helpful Member
6V exactly? It's pretty easy to find a regulator IC to do the job but the closest number to 6V is 5V (used by electronics). Perhaps a zener diode to clamp the voltage to 6V.
 

Lozil

New Member
I have a load current of about 4A at 6v, Does zener diode is enough or gotta find one Regulator IC.Can't go below 6, 7v it's ok. any reccomedations?
 

Dr.EM

New Member
Wasting 6v at 4A (24W) in a linear regulator is a bit excessive. By the time you've added in heatsink costs etc, you may find the the previously suggested buck regulator a much better option. This achieves high efficiency and should not waste much power.
 

philba

New Member
efficiency is only part of the issue. Dr. Em is correct though a bit understated on the impact of 24W dissipation. A linear would require a rather large heatsink and decent ventilation or it will cook itself to death. when all is said and done, a buck regulator will run dramatically cooler and may even cost less than a linear+heatsink.

I'd say the buck regulator is the only way to go.
 

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