TCR3UG Series Low-Dropout Regulators Toshiba TCR3UG Series Extremely Low-Quiescent, Low-Dropout Regulators for Wearables and IoT applications offer a fast load transient and voltage regulation up to 300mA CMOS in an ultra-small package. The TCR3UG Series provides outstanding quiescent currents of <,0.7uA in a small package size of 0.65mm x 0.65mm making it ideal for maximizing Li-ion battery life in wearable and IoT applications, saving cost and space.