? 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 50μA 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

? Input Voltage Range: 1.8 V to 5.5 V
? Fixed and Adjustable Output Voltage
Options from 1.2 V to 5.5 V
? Up to 96% Efficiency
? 1200-mA Output Current at 3.3 V in Step-Down Mode
(VIN = 3.6 V to 5.5 V)
? Up to 800-mA Output Current at 3.3 V in Boost Mode
(VIN > 2.4 V)
? Automatic Transition Between Step-Down and Boost Mode
? Device Quiescent Current less than 50 μA
? Power-Save Mode for Improved Efficiency
at Low Output Power
? Forced Fixed Frequency Operation and
Synchronization Possible
? Load Disconnect During Shutdown
? Overtemperature Protection
? Available in a Small 3-mm × 3-mm
10-Pin VSON Package (QFN)
