@▷ 5V Dc converter using ADP2303 ADP2302 | Diagram for Schematic

5V Dc converter using ADP2303 ADP2302

A very simple and high efficient DC-DC 5 volts power supply circuit can be constructed using ADP2302 or ADP2303 nonsynchronous step down regulator , designed by Analog Devices .
Both of this circuits support a wide input voltage range from 3 volts up to 20 volts .
The difference between this two fixed frequency , current mode control, step down regulators is that ADP2302 support a maximum load current of 2A and the ADP2303 regulator support a maximum load current of 3A .
This schematic circuit is a step down dc converter that will provide a 5 volts output voltage at a maximum 2A load , from a 12 volts input voltage .
The output voltage of the ADP2302 , ADP2303 can be set down to 0.8 V for the adjustable version, while the fixed output version is available in preset output voltage options of 5.0 V, 3.3 V, and 2.5 V.
This circuit use a 700 kHz operating frequency that allows small inductor and ceramic capacitors to be used, providing a compact solution.
For this DC DC converter circuit we will use the ADP2303ARDZ-5.0 which is the ADP2303 fixed voltage 5 volts version . [...]
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