Mini DC-DC 3.3V Step-up Boost Converter 400mA

A small boost converter with output voltage of 3.3V.

Specifications:

• Input voltage range: 0.8 - 3.3V 
• Output voltage: 3.3V (fixed)
• Output current: 400 mA (max)
• Efficiency: 85% (max, based on input voltage and output current)
• Dimensions: 11 x 10.5 x 7.5 mm 

The  maximum output voltage is dependent on the input voltage:

The pinout (Vi, GND, Vo) is indicated on the module:

• Vi: Positive voltage input (paired with GND/min)
• GND: ground/min
• Vo: Positive voltage output (paired with GND/min)