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Replacement:PRT-10967. The new version of this board uses the NCP1402, which is capable of sourcing more current. This page is for reference only.
The NCP1400 is a 3.3V DC-DC converter. The breakout board will accept voltage inputs between 1 and 3 Volts (such as 1 or 2 AA batteries) and output a constant, low ripple 3.3V output capable of sourcing up to 100 mA. This board is great for supplying power to 3.3V sensors or providing 3.3V from a a single AA battery.
The breakout board includes the necessary peripheral components. The input, ouput and ground pins are broken out on a 0.1" grid to allow easy access on a breadboard.