Posted on Sunday, June 17th, 2012 in app notes by DP
Here is an app note from Texas Instruments describing how to use their LMP8646 ‘shunt’ current monitor as a current limiter on linear, and switching power supplies.
The LMP8646 is a precision current limiter used to improve the current limit accuracy of any switching or linear regulator with an available feedback node. Many regulators might have an internal current limiter, but its output accuracy is often as high as 30%. The output accuracy of the LMP8646 can be as low as 3%, making it a preferred current limiter for many regulator applications.
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