Coilcraft High Efficiency and Small Size Solutions for ultra low power DC/DC converters Modern battery-powered applications, ranging from IOT to industrial applications and energy harvesting solutions are continually driving compact packaging and the highest efficiency standards for longest battery life and for capturing the highest level of power from a variety of situations. This presentation will feature some examples where the perfect matching of silicon and magnetic components achieve the twin goals of miniaturization and efficiency. We will also discuss the use of innovative composite material to minimize the impact of ambient temperature changes on key inductor parameters.