PCB available 4 Gallery images Gijs van Berne 02/10/2016 7 comments 3V3 Buck Boost Regulator breakout (TPS63031, great for 1-Cell Lithium) TPS63031 buck boost fixed 3v3 regulator module. In: 1.8-5.5v, out: 500 / 800mA. Read full article... Tags: breakout, pcb, regulator, switchmode