17V Vin, 3A Synchronous Step-down DCDC Converter, SCT2230B Replace MP1477.
SCT2230B
SCT2230B.pdf
SCT2230B.pdfFEATURES
• Wide Input Voltage: 4.2V-17V
• 3A Continuous Output Current with Integrated
50mΩ /24mΩ FETs
• Wide Output Voltage Range:0.809V-7V
• Quiescent Current 220uA
• Cycle-by-Cycle Current Limiting
• Internal 3ms Soft-Start Limits the inrush current
• Fixed 800kHz Switching Frequency
• Input Under-Voltage Lockout
• Power save mode at light load
• Over-Temperature Protection
• Available in a SOT563 and SOT23-6 Package
PIN CONFIGUTION
CROSS
FEATURES
• Wide 4.2V to 17V Operating Input Range
• 58mΩ/27mΩ Low RDS(ON) Internal Power
MOSFETs
• 200µA Low IQ Current
• High-Efficiency Synchronous Mode Operation
• Power Save Mode (PSM) at Light Load
• Fast Load Transient Response
• 800kHz Switching Frequency
• Internal Soft Start (SS)
• Over-Current Protection (OCP) and Hiccup
• Thermal Shutdown
• Output Adjustable from 0.8V
• Available in a SOT563 (1.6mmх1.6mm)
Package
PIN CONFIGUTION
