The BL9309CB5TR with DC-DC Converters SOT23-5 RoHS is a miniature surface mount device manufactured by Belling. It is a switching voltage regulator IC, capable of delivering up to 500mA of output current. It features an adjustable output voltage range from 1.425V to 5.5V and a switching frequency of up to 1.4MHz. It has excellent line and load regulation, low quiescent current and high efficiency for the applications. This device also meets the RoHS requirements and is ideal for notebook computers, cellular phones, digital cameras, and other portable electronic products.