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This figure shows a typical application circuit using the Analog Devices ADP2102 low-duty-cycle, 3-MHz, synchronous step-down converter. It is available with a number of fixed-output and resistor-programmable voltage options. Here it is connected in a fixed-voltage configuration, producing a regulated 0.8-V output from a 5.5-V input voltage and driving a 300-mA load. The following slides will provide a brief explanation of the circuit’s operation.

PTM Published on: 2008-04-16