6v Regulator

[BansheePilot]

Hi, I am looking for a regulator that can take Vin =7v-8.5v and will give Vout=6V at about 5 amps.

Is there a way to build/buy such a regulator?

Thanks Alot
Geoff

 

[Russlk]

The LM338 is a 5 amp voltage regulator but it won't work down to 7 volts input. Probably work at 8.5 volts input.

 

[Phasor]

The LM350K will work for you, down to about 7.2V, however it it only rated to 3A. You can increase the current rating with an external pass transistor, or by parallelling two regulators.

 

[mozikluv]

6v regulated

hi,

check the datasheet of both the lm338 and lm350k, it has the circuit that will suit your need.

 

[k7elp60]

The attached circuit should work. Be sure and use a heatsink for the IRFZ40 mosfet. The LT1054 doubles the input voltage to give enough voltage on the gate of the mosfet. The input/output differential can be as low as about 0.5 volts. The resistors on pins 5 and 6 of the LM723 are
2.0 k, but 2.2 or 3.3 k should work fine also

 

[Sebi]

You can find on Linear Technology website a three terminal LDO.