? Wide 5V to 42V Operating
Input Voltage Range
? 0.8V Internal Reference
? Low Quiescent Current: 14μA (TYP)
? Shutdown Current: 0.6μA (TYP)
? Current Output up to 600mA
? 1.2MHz Switching Frequency
? Internal Compensation and Soft-Start
? Simple Design and Minimal External
Components
? Up to 95% Efficiency at 12V/400mA
? 0.8V to 20V Adjustable Output Voltage
? Current Limit and Short-Circuit Protection
? Output Over-Voltage Protection and
ThermalShutdown
? Power-Save Mode and PWM Mode Operation
? Monotonic Startup with Pre-biased Output
? 90% Maximum Duty Cycle
? Available in a Green SOT-23-6 Package
? -40℃ to +125℃ Operating Temperature Range

? Low RDS(ON) for Internal
N-channel Power FET:700mΩ
? 4.5-55V Input Voltage Range
? 0.8A Output Current Capability
? 1.2MHz Pseudo Constant
Switching Frequency
? Internal Soft-start Limits the Inrush Current
? Hic-cup Mode Output Short Circuit Protection
? EN ON/OFF Control with Accurate Threshold
? Cycle by Cycle Peak Current Limit
? 0.6V±1 % Reference Voltage
? SOT23-6 Package
