DC-DC Converter Step Up Boost Module 0.9V to 5V USB Charger

1. Onboard the ultra small PFM control DC/DC boost controller chip 2. The input 0.9 ~ 5V DC voltage can be arbitrary, and stabilize the output DC voltage of 5V. Two AA batteries can output current of 500 ~ 600 mA, single AA batteries can be output current of 200 mA, for mobile phone, camera, single chip microcomputer, digital products. 3. The onboard USB base, can be directly to the power supply equipment with USB interface 4. Onboard the input voltage indicator 5. PCB size: 34 mm x 16.2 mm