·Input Voltage Range: 4.5V to 18V 

·Integrated 9.4mΩ and 4.3mΩ MOSFETs 

·0.6V±1% Reference Voltage Accuracy 

·Output Voltage Adjustable from 0.6V to 5.5V 

·Advanced COT Control for Fast Transient  Response 

·Selectable FPWM or PFM Operation Mode 

·Selectable 400kHz, 800kHz and 1.2MHz  Switching Frequency 

·Selectable Two Level Current Limit Value 

·Support Ceramic Output Capacitors 

·Programmable Soft-start Time with a Default  1ms Soft-start Time 

·Thermal Shutdown 

·Output Auto-Discharge in EN Shutdown 

·Available in QFN3.5x3.5-18 Package