Full-size USB Charger Boost Circuit

Features:

• Charge a USB device from a battery rated anywhere from 0.9V to 5V!
• Input Voltage: 0.9V to 5V DC
• Output voltage :5V to 5.2 V DC via USB
• Output Current:
  • 600mA (with a single lipo battery input)
  • 500-600mA (with 2 AA batteries as input)
  • 200mA (with a single AA battery input)
• Efficiency: Up to 96%
• Switching frequency: 500KHz
• Output ripple: 30mV (MAX) 20M
• Power indicator LED: lights up when connected
• Operating Temperature: -40 to 85 C
• Full load temperature rise: 30 C
• Quiescent Current: 130uA
• Load regulation: ± 1%
• Voltage regulation: ± 0.5%
• Dynamic response speed: 5% 200uS
• Connection: Soldering or Alligator Clips
• Pinout:
  • Input: IN + input is power (red wire), IN - ground (black wire)
  • Output: Standard USB Port
• Board Dimensions : 2.9 x 1.8 x 0.8mm (excluding USB port)
• Weight: 5g