SGM61450.pdf? 4.5V to 42V Input Voltage Range
? 0.8V to 36V Adjustable Output Voltage Range
? Integrated 68mΩ High-side MOSFET Supports
upto 5A Continuous Output Current
? Programmable Switching
Frequency: 100kHz to2.5MHz
? Ultra-Low Quiescent Current: 148μA (TYP)
? Low Shutdown Current: 2.65μA (TYP)
? Power-Save Mode for High
Light Load Efficiency
? Sync (CLK) Input for External Clock Input
? Programmable UVLO Threshold
? Over-Voltage Transient Protection
? Cycle-by-Cycle Current Limit
? Frequency Fold-Back Protection
? Integrated BOOT Recharge FET for Low
Light-Load Dropout
? Thermal Shutdown (+176℃)
? Available in a Green SOIC-8
(Exposed Pad) Package
? High efficiency at light loads with pulse skipping
Eco-mode?
? 92-mΩ high-side MOSFET
? 146-μA operating quiescent current and
2-μA shutdown current
? 100-kHz to 2.5-MHz Fixed switching frequency
? Synchronizes to external clock
? Low dropout at light loads with integrated BOOT
recharge FET
? Adjustable UVLO and hysteresis
? 0.8 V 1% Internal voltage reference
? 8-Pin HSOIC with PowerPAD? package
? –40°C to 150°C TJ operating range
? Create a custom design using the TPS54540B
with the WEBENCH? Power Designer
