The BCT1901EGG-TR with QFN4x4-24L DC-DC Converters ROHS is a power supply solution manufactured by BROADCHIP for power delivery from a high capacitive primary to low power consumer devices. The part is a DC/DC synchronous step-down converter with a 4x4-24L QFN package (quad flat no-lead). It features an operating input voltage range of 4.5V to 18V, and its switching frequency is up to 500kHz. It delivers 3.3V, 5V, and 12V output voltages, with an output current of up to 1.5A, and a wide output voltage range. The unit is highly integrated with protection features such as input under-voltage lockout, over-current protection, thermal shutdown, and short-circuit protection, making it suitable for use in a wide range of industrial applications. It also meets RoHS standards.