Features:

• This converter can take an input voltage of anywhere from 3-16V which can then be regulated to an output voltage between 2.5-9V.
• With the switch on the bottom of the board, you can set the common output voltages of 3.3V and 5V.
•In addition to the voltage control, the SparkFun Buck-Boost Converter uses a switching DC/DC converter.
• Input voltage range of 3-16V
• Output voltage adjustable from 2.5-9V
• Three selectable output voltages: 3.3V, 5V, or custom
• GPIO broken out for additional control
• Operating die temperature range of -40 to +125°C
• Optional Heatsink
• Up to 95% Efficiency
• Overtemperature Protection