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LT4180-Slide2

Voltage drops in wiring and cables can cause considerable load regulation errors in electrical systems. As the load current increases, the voltage drop (IR losses) in the wiring increases (due to the line impedance) and the voltage delivered to the system drops. The traditional approach to solving this problem is to sense the output voltage with a pair of wires that run from the regulator’s feedback network to the load. While this approach works well, the additional pair of wires may not be practical or reliable, adds cost and is not possible in 2 wire cables.

PTM Published on: 2011-05-16