With Instructables you can share what you make with the world, and tap into an ever-growing community of creative experts.
We have a be nice comment policy. Please be positive and constructive.
We noticed you attached photosto your comment.
As Steve said .... BTW when running your car puts out 13.5 volts !
The Power Loss math is analog voltage drop times current.
Power = 13.5v - 8.5v x current = 5v x 6amp = 30 WATTS of HEAT !!!
No it wont. pass transistor/Regulator circuits at <10 amps float around 80% efficiency if the input voltage is selected properly. sure, switch-mode will be more efficient, but for cost, linear is hard to beat.
That's why reading the question is SO important
Any circuit to drop 12v to 8.5V at 6amps.
Which he illustrated with a linear circuit, and Lo ! it dissipates 21W, because THAT'S THE SPEC. He CAN'T select the input voltage. Yes, as a PE for the last 30 years, I am very aware of the benefits of linear regulators in the right places.
Converting computer power supply to a lab bench using ATX breakout board (8$)
Power Supply Information
Regulated Power Supply
ATX to Lab Bench Power Supply Conversion
use a xbox 360 power supply to power a amplifier
atx bench power supply diy
Computer Power Supply to Bench Power Supply Adapter
DIY Hacks and How Tos
Cheap and easy bench power supply
What Is the Power Supply?
Using a bench power supply.
Posted:Jan 23, 2013
Join 2 million + to receive instant DIY inspiration in your inbox.
© 2016 Autodesk, Inc.