adafruit products including evaluation boards, prototyping and development tools and kits are available at digi-key.
Manufacturer: Adafruit Industries LLC
Description: 5V USB BOOST 500MA FROM 1.8V
In Stock: 46
Description: UBEC DC/DC STEP-DOWN (BUCK) CONV
In Stock: 35
Description: BREAKOUT BOARD LM3671 3.3V
In Stock: 133