40V/3.5A, Adjustable Switching Frequency Buck Converter with 38μA IQ,SGM61432 Replace LMR14030.
SGM61432
SGM61432.pdf
SGM61432.pdfFEATURES
• 4V to 40V Input Voltage Range
• 0.8V to 28V Adjustable Output Voltage Range
• Peak Current Mode Control
• Integrated 93mΩ High-side MOSFET Supports up
to 3.5A Continuous Output Current
• Adjustable Switching Frequency from 200kHz to 2500kHz
• Ultra-Low Quiescent Current: 38μA (TYP)
• Low Shutdown Current: 1.3μA (TYP)
• Power-Save Mode for High Light Load Efficiency
• External Soft-Start
• Frequency Synchronization to External Clock
• Programmable UVLO Threshold
• Output Over-Voltage Protection
• Cycle-by-Cycle Current Limit
• Frequency Fold-Back Protection
• Thermal Shutdown Protection
• Available in a Green SOIC-8 (Exposed Pad) Package
PIN CONFIGUTION
优势替代
FEATURES
• 4 V to 40 V Input Range
• 3.5 A Continuous Output Current
• Ultra-low 40 µA Operating Quiescent Current
• 90 mΩ High-Side MOSFET
• Minimum Switch-On Time: 75 ns
• Current Mode Control
• Adjustable Switching Frequency
from 200 kHz to 2.5 MHz
• Frequency Synchronization to External Clock
• Internal Compensation for Ease of Use
• High Duty Cycle Operation Supported
• Precision Enable Input
• 1 µA Shutdown Current
• External Soft-start
• Thermal, Overvoltage and Short Protection
• 8-Pin HSOIC with PowerPAD™ Package
PIN CONFIGUTION
