4.5V-60V Vin, 3A, High Efficiency Step-down DCDC Converter, SCT2633 Replace TPS5430.
SCT2633
SCT2633.pdf
SCT2633.pdfFEATURES
• Wide Input Range: 4.5V-60V
• Up to 3A Continuous Output Current
• 1.221V ±1% Feedback Reference Voltage
• Integrated 220mΩ High-Side MOSFET
• Low Quiescent Current: 300uA
• Pulse Skipping Mode (PSM) in light load
• 100ns Minimum On-time
• 12ms Internal Soft-start Time
• Internal compensation for Ease of Use
• Fixed Frequency 500kHz
• Precision Enable Threshold for Programmable Input
Voltage Under-Voltage Lock Out Protection (UVLO)
Threshold and Hysteresis
• Over-voltage and Over-Temperature Protection
• Available in an ESOP-8 Package
PIN CONFIGUTION
优势替代
FEATURES
• Wide Input Voltage Range: 5.5 V to 36 V
• Up to 3-A Continuous (4-A Peak) Output Current
• High Efficiency up to 95% Enabled by 110-mW
Integrated MOSFET Switch
• Wide Output Voltage Range: Adjustable Down to
1.22 V with 1.5% Initial Accuracy
• Internal Compensation Minimizes External
Parts Count
• Fixed 500 kHz Switching Frequency for Small
Filter Size
• Improved Line Regulation and Transient Response
by Input Voltage Feed Forward
• System Protected by Over Current Limiting and
Thermal Shutdown
• –40°C to 125°C Operating Junction Temperature Range
• Available in Small Thermally Enhanced 8-Pin
SOIC PowerPAD™ Package
PIN CONFIGUTION
