Vpack 5V power supply PCB. Miniature 3V DC to 5V DC Converter This is a DC-DC switch converter circuit to generate a regulated 5.0V supply from only one or two 1.5V batteries or a single LiPo cell. And best of all, this regulated output voltage is maintained throughout the normal life of the battery at more than 80% efficiency. Now you don't have to design the voltage converter on your board, just grab a VPack and off you go. Example uses: Provide an independent and stable power supply rail for microcontroller in RC applications. End the bad practice of sharing power between motors and the microcontroller. Ideal for electronics kits, embedded, USB powered devices, Wireless and RC applications. A Vpack will supply our URBI interface with the required 5v to operate for many hours from a suitable small battery - great for intervalometer or surveillance applications. 2 pads for a switch or wire jumper is provided on the PCB to connect and disconnect power to the circuit. Specifications: Dimensions: 20mm x 20mm x 3mm Input Voltage: 1.1V to 4.5V Output Voltage regulation: +5V +/-3% Typical current: 300mA or less. Typical ripple: 150mV peak to peak at 135kHz Price: (USD) $11.70 Shipping from: $1.76 In stock now