Add trimmable current limit to dc/dc supply
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Tags: Current-Limit-circuit
You can add a simple, two-transistor circuit to a standard, step-down dc/dc converter to provide an adjustable limit for the output current (Figure 1). You can apply this method to most step-down converters that provide access to the feedback node.
Read Source : http://www.edn.com/archives/1997/080197/16di_03.htm
