Features
♦ Dynamically Selectable Output Voltage from
+0.7V to VIN
♦ Internal PMOS/NMOS Switches
54mΩ/47mΩ On-Resistance at VIN = +4.5V
63mΩ/53mΩ On-Resistance at VIN = +3.0V
♦ +3.0V to +5.5V Input Voltage Range
♦ 1.4MHz Maximum Switching Frequency
♦ 2V ±0.75% Reference Output
♦ Constant-Off-Time PWM Operation
♦ Selectable Idle Mode/PWM Operation at Light
Loads
♦ 100% Duty Factor in Dropout
♦ Digital Soft-Start Inrush Current Limiting
♦ <1μA Typical Shutdown Supply Current
♦ <750μA Quiescent Supply Current
♦ Thermal Shutdown
♦ 1% VOUT Accuracy Over Line and Load
♦ External Reference Input
♦ Power-Good Window Comparator
♦ Selectable Power-Good Blanking Time During
Output-Voltage Transition
