The SD3038B is a SOT23-6 RoHS LED Driver manufactured by SHOUDING. It has features such as over current protection, thermal protection and adjustable current with high efficient. It has built in 150mA charging current controllable internal switch with low VSAT voltage drop. It also supports a wide range of input voltage from 4.5V to 42V. It has high output accuracy with output current ripple less than 10%. The device is suitable for lighting applications, such as LED strips, LED bulbs, and many other applications.