· Integrated inductor, MOSFETs and controller 

· Input voltage operating range from 2.9V to 5.5V

· Fixed and programmable V_OUT from 1.0V 

· Up to 1A typical output current 

· Up to 93% efficiency at 5V_IN, 3.3V_OUT/0.6A 

· Ultra-low IQ of 40µA 

· Constant-On-Time (COT) control scheme 

· Ultrafast transient response 

· 3MHz PWM operation in continuous mode 

· 100% duty cycle in dropout 

· Enable pin control 

· Internal soft-start 

· Thermal shutdown 

· Small Footprint, low profile 

3mm × 3mm × 0.9mm QFN-13 package