? 1.8V to 5.5V Input Voltage Range
? 1.2V to 5.5V Output Voltage Range
(Fixed and
Adjustable)
? Up to 96% Efficiency
? Less than 55μA Quiescent Current
? Output Current at 3.3V:
Up to 1200mA in Buck Mode
(VIN = 3.6V to 5.5V)
Up to 800mA in Boost Mode (VIN > 2.4V)
? Real Buck, Boost and Buck-Boost Modes
? Automatic Mode Transition
? Auto PFM and Forced PWM Selectable
? External Clock Synchronization
? True Shutdown Function with Load Disconnect
? OTP Protection
? Available in a Green TDFN-3×3-10L Package

? Single Inductor
? Fixed Frequency Operation with
Battery Voltages
? Synchronous Rectification : Up to 90% Efficiency
? Up to 800mA Continuous Output Current
? VOUT Disconnected from VIN during Shutdown
? Power Save Mode (PSM) Enable Control
? <1μA Shutdown Current
? Input Voltage Range: 1.8V to 5.5V
? Fixed 3.3V and Adjustable Output Voltage
Options
from 2.5V to 5.5V
? 10-Lead WDFN Packages
? RoHS Compliant and Halogen Free
