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Looking for a single chip fixed regulator

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kickassamd

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Regulator Issues

Does anyone know if there is a single chip fixed regulator that can output 7v(+) or 7.5v(+) much like the 7812 or 7809 series that can pump out 2amps?
 

Re: Regulator Issues

National Semiconductor **broken link removed** makes such regulators. They also have on line design software aplets to help you select the component values.
 

Re: Regulator Issues

use a voltage pump made form a pair of transistors and a 555 timer as the oscillator using a split secondary L44 coil the primary driven with a 555 output via bootstraping driving the non tapped side of this lt
{low tension coil}
this way youll get the needed 180 degree shift easy from just a simple 555 youll get about 5amps this is safe for use at 2.5 amps





{ie not direct,,,,}


so national dont make a 2 amp pump just you can from a few devices

they might make a 2amp pump but 2amp absolute maximum so... it is totaly useless as it will just blow up

better make a rugged design 2.5X requirements

what a realy shitty answer flatulent
you need external transistors for above 1amp working current {2amp device} and national dont supply any

post us a number to view that fits the bill not just a half baked referance to a major supplier
 

Re: Regulator Issues

what about the 7807? will it do what i need to do or maybe and LM317 with the correct resistance?
 

Re: Regulator Issues

Maybe some one can post a 7.5v regulator schematic that has a 12v source....... :D
 

Re: Regulator Issues

use 7805,then use resistor divider to control adjust pin,it can output 〉5V
 

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