SGM6623.pdf• 0.8V to 12V Input Voltage Range
• 3.3V to 13V Wide Output Voltage Range
• 4.4A Current Limited Integrated Switch
• Up to 90% Efficiency
• 590kHz Nominal Fixed Switching Frequency
with Pulse Skipping at Light Loads
• Built-In Soft-Start Function
• Open Loop Over-Voltage Protection
• Enable Input Pin
• 47μA Typical Quiescent Current (to VS Pin)
• 0.4μA Typical Supply Current in Shutdown
• Available in a Green SOT-23-6 Package
• Input voltage 2.65 V to 5.5 V (falling 2.4 V)
• Output voltage up to 14 V
• Integrated low-side FET: 85 mΩ at 3.3 VIN
• 3.7-A (Typical) switch current limit
• Up to 90% Efficiency at 3.3-V Input and 12-V
Output
• 600-kHz or 1-MHz Selectable switching frequency
• Internal Compensation
• 1-µA Shutdown current
• ±2.5% Output-voltage accuracy
• PFM operation mode at light load
• Internal 2-ms soft-start time
• Thermal shutdown protection
• 2.9-mm × 1.6-mm 6-Pin SOT-23 package
