Inrush Current in DC-DC Converters AND ACCESSORIES

Inrush current is the spike of current drawn by a power supply when it is turned on. A typical power system is The input EMI filter will include some capacitance connected across the input line. The DC-DC converter will also include capacitance connected across its input and output. The load may include additional capacitance. Each of these capacitors requires current to charge them to their steady state voltage. This current is the inrush current.
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