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 ?A Operating Quiescent Current
? 90 m? 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 ?A Shutdown Current
? External Soft-start
? Thermal, Overvoltage and Short Protection
? 8-Pin HSOIC with PowerPAD? Package
PIN CONFIGUTION
