View single post by Stanton
 Posted: Tue Mar 9th, 2010 10:59 pm
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Stanton

 

Joined: Sun Mar 7th, 2010
Location: Washington USA
Posts: 112
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Hi Herb,

You're looking at a current sensing resistor that provides feedback to limit maximum output current. 0.03 ohms limits output to roughly 500 mA at 12 volts when the voltage input is 4 volts. The following manufacturer's circuit (courtesy of Maxim) may help explain what's going on.




 



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Neil Stanton
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