? Wide Input Range: 3.8V-40V
? Up to 3.5A Continuous Output Current
? 0.8V ±1% Feedback Reference Voltage
? Pulse Skipping Mode (PSM) with 25uA Quiescent Current
? 100ns Minimum On-time
? Programmable Soft-start Time
? Adjustable Frequency 300KHz to 2.2MHz
? External Clock Synchronization
? Frequency Spread Spectrum (FSS) Modulation for EMI Reduction
? Low Dropout Mode Operation
? Derivable Inverting Voltage Regulator
? Over-voltage and Over-Temperature Protection
? Available in an ESOP-8 Package

? 4.5 V to 42 V (45 V Abs Max) Input Range
? 3.5 A Continuous Current, 4.5 A Minimum Peak
Inductor Current Limit
? Current Mode Control DC-DC Converter
? 92-mΩ High-Side MOSFET
? High Efficiency at Light Loads with Pulse Skipping
Eco-mode?
? Low Dropout at Light Loads with Integrated BOOT
Recharge FET
? 146 μA Operating Quiescent Current
? 1 μA Shutdown Current
? 100 kHz to 2.5 MHz Fixed Switching FrequencyTPS54340
? Synchronizes to External Clock
? Adjustable UVLO Voltage and Hysteresis
? Internal Soft-Start
? Accurate Cycle-by-Cycle Current Limit
? Thermal, Overvoltage, and Frequency Foldback
Protection
? 0.8 V 1% Internal Voltage Reference
? 8-Terminal HSOP with PowerPAD? Package
? –40°C to 150°C TJ Operating Range
? Create a Custom Design with WEBENCH Tools
