• 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
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• Buck-boost DC-DC converter
• Operating input voltage range from 2.0 V to
5.5 V
• 2% DC feedback voltage tolerance
• Synchronous rectification
• Shutdown function
• 1.5 MHz switching frequency
• Power save mode at light load
• Typical efficiency: > 94%
• 1 A output current capability
• Shutdown current < 1 µA
• Available in DFN10 (3 x 3 mm)
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