3.3V output charge pump switchmode regulator

These tiny regulators are ideal where you need a fixed 3.3 volt supply on a PCB and there's no space for a linear regulator. These are a charge pump switchmode device and generate very little heat when running (they use no inductors, just three capacitors), so they can be used in places where a heat generating linear regulator can't.

Input voltage of these devices is 1.8 to 5V, so they can either boost of buck the supply voltage, making them ideal for providing a 3.3V supply from batteries or 5V supply rails.

Module specifications
Fixed output: 3.3V ±4%
Input voltage range: 1.8-5V
Continuous maximum output current: 100mA (up to 150mA short term)
Working frequency: 1.2MHz
Short circuit protection
No load input current: 0.65mA
2.54mm pin pitch
Dimensions: 11mm x 7.62mm x 4.5mm (excluding pins)