SCT2432.pdf• 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
