·       Low R_DS(ON) for Internal Switches (top/bottom) 260mΩ/170mΩ

·       2.5~5.5V Input Voltage Range

·       38μA Typical Quiescent Current @3.5Vin

48μA Typical Quiescent Current @5.5Vin

·       High Light Load Efficiency

·       High Switching Frequency 1.5MHz Minimizes the External Components 

·       Internal Soft-start Limits the Inrush Current

·       100% Dropout Operation

·       RoHS Compliant and Halogen Free

·       Compact Package: SOT23-5

The SY20018 is a high efficiency 1.5MHz synchronous step down DC/DC regulator IC capable of delivering up to 1A output current. It can operate over a wide input voltage range from 2.5V to 5.5V and integrate main switch and synchronous switch with very low R_{DS (ON)} to minimize the conduction loss.