4.5V-60V Vin, 5A, High Efficiency Asynchronous Step-down DCDC Converter, SCT2653 Replace TPS54531.
SCT2653
SCT2653.pdf
SCT2653.pdfFEATURES
• Wide Input Range: 4.5V-60V
• Up to 5A Continuous Output Current
• 0.8V ±1% Feedback Reference Voltage
• Integrated 80mΩ High-Side MOSFET
• Low Quiescent Current: 175uA
• Pulse Skipping Mode (PSM) in light load
• 130ns Minimum On-time
• Adjustable Soft-start Time
• Fixed Switching Frequency: 570KHz
• Precision Enable Threshold for Programmable
Input Voltage Under-Voltage Lock Out Protection
(UVLO) Threshold and Hysteresis
• Low Dropout Mode Operation
• Derivable Inverting Voltage Regulator
• Over-voltage and Over-Temperature Protection
• Available in an ESOP-8 Package
PIN CONFIGUTION
优势替代
FEATURES
• 3.5V to 28V Input Voltage Range
• Adjustable Output Voltage Down to 0.8V
• Integrated 80 mΩ High Side MOSFET Supports
up to 5A Continuous Output Current
• High Efficiency at Light Loads with a Pulse
Skipping Eco-mode™
• Fixed 570kHz Switching Frequency
• Typical 1μA Shutdown Quiescent Current
• Adjustable Slow Start Limits Inrush Currents
• Programmable UVLO Threshold
• Overvoltage Transient Protection
• Cycle-by-Cycle Current Limit, Frequency Fold
Back and Thermal Shutdown Protection
• Available in Easy-to-Use Thermally Enhanced
SOIC8 PowerPADTM Package
PIN CONFIGUTION
