z Fast Transient Response z Steady 650kHz Switching Frequency z Enhanced Efficiency at Light Load (RT2853A) z Advanced Constant On-Time (ACOTTM) Control z Optimized for Ceramic Output Capacitors z 4.5V to 18V Input Voltage Range z Internal 110mΩ Switch and 30mΩ Synchronous Rectifier z 0.765V to 7V A.