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constant current constant voltage


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lats



Joined: 27 Oct 2005
Posts: 199
Helped: 7


Post28 Apr 2008 6:12   

constant current constant voltage


Hi all
i want to design "constant current constant voltage" circuit which gives constant current of 1A and constant voltage of 48V.
i m new to this .please help me out.
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randell_xtian



Joined: 25 Mar 2008
Posts: 158
Helped: 9
Location: Philippines


Post28 Apr 2008 6:20   

Re: constant current constant voltage


hmmm, what do you preferred? AC or DC? i think you can dig to the series of circuitry in designing a voltage regulator.
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Post28 Apr 2008 6:20   

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Kral



Joined: 28 Mar 2005
Posts: 1182
Helped: 187


Post28 Apr 2008 18:38   

Re: constant current constant voltage


ats,
A regulator can not be constant current and constant voltage simultaneously. Such a device could only meet its specifications at 1 value of load resistance. In your case, it would meet its spec for a load resistance of 48 Ohms. You can design a constant voltage regulator that has a current limiter set at 1 Ampere, or a constant current regulator that has a voltage limit (Compliance) of 48V.
Regards,
Kral
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ehsanelahimirza



Joined: 24 Feb 2006
Posts: 430
Helped: 33


Post28 Apr 2008 19:03   

constant current constant voltage


try to make a good voltage regulator, high current and also which supports load, line according to ur requirements. i dont know about what king of load u will use but according to ur load u have to design (if required) current limiter circuit. if u dont need load regulation i.e. ur load is fixed then possibly u can avoid limiter circuit
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