SGM66055B.pdf• 2.5V to 4.85V Operating Input Voltage Range
• 5.0V Fixed Output Voltage
• IOUT ≥ 1A at VOUT = 5V, VIN ≥ 2.7V
• Up to 97% Efficiency
• Device Quiescent Current: 24µA (TYP)
• Shutdown Current: 1µA (MAX)
• Improved Light Load Efficiency with Power-Save
Mode (PSM)
• Low Reverse Leakage Current when VOUT > VIN
• Load Disconnect during Shutdown
• Thermal Shutdown
• -40℃ to +85℃ Operating Temperature Range
• Available in a Green WLCSP-1.21×1.21-9B Package
• 93% Efficiency at 3.5-MHz Operation
• 21-µA Quiescent Current in Standby Mode
• 37-µA Quiescent Current in Normal Operation
• Wide VIN Range From 2.3 V to 5.5 V
• VIN ≥ VOUT Operation
• IOUT ≥ 800 mA at VOUT = 4.5 V, VIN ≥ 2.65 V
• IOUT ≥ 1000 mA at VOUT = 5.0 V, VIN ≥ 3.3 V
• IOUT ≥ 1500 mA (Peak) at VOUT = 5.0 V,
VIN ≥ 3.3V
• ±2% Total DC Voltage Accuracy
• Light-Load PFM Mode
• Selectable Standby Mode or True Load
Disconnect During Shutdown
• Thermal Shutdown and Overload Protection
• Only Three Surface-Mount External Components
Required
• Total Solution Size < 25 mm2
• 9-Pin NanoFreeTM (CSP) Packaging
