The BCT2036ELS18-TR with UTDFN1x1-4L linear voltage regulators (LDO) are manufactured by BROADCHIP and have RoHS compliant specifications. They have an input voltage range of 1 Vin = 8V, an output voltage of 1.8/2.5/3.3/4.2 V, and a maximum output current of 250 mA. The features include ultra-low dropout voltage, ultra-low noise, high PSRR (up to 80dB), fast transient response, low quiescent current (typically 14mA), and high efficiency over wide load ranges. The package size is 2x2mm and operating temperature range is -40°C to + 85°C.