• 93% Efficient Synchronous Boost Converter
• Device Quiescent Current: 23μA (TYP)
• Operating Input Voltage Range: 2.5V to 4.5V
• Fixed Output Voltages: 5.0V and 5.4V
• Output Voltage Clamping: 5.7V
• Power-Save Mode for Improved Efficiency at
Low Output Power
• Pass-through Mode by Pulling EN Low
• Low Reverse Leakage Current when VOUT > VIN
• Over-Temperature Protection
• Available in a Green WLCSP-1.21×1.21-9B Package
• -40℃ to +85℃ Operating Temperature Range
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• 93% Efficiency at 3.5MHz Operation
• 36μA Quiescent Current
• Wide VIN Range From 2.5V to 5.5V
• IOUT ≥1000mA at VOUT = 5.0V, VIN ≥3.3V
• ±2% Total DC Voltage Accuracy
• Light-Load PFM Mode
• True Load Disconnect During Shutdown
• Thermal Shutdown and Overload Protection
• Only Three Surface-Mount External Components
Required
• Total Solution Size <35mm2
• 9-Pin NanoFreeTM (CSP) Packaging
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