• 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
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• 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
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