High Efficiency Synchronous Step down DCDC Converter with Programmable Frequency, P2P TPS54340-2.
FEATURES

• Wide Input Range: 3.8V-40V

• Up to 3.5A Continuous Output Current

• 0.8V ±1% Feedback Reference Voltage

• Integrated 80mΩ High-Side and 50mΩ Low-SidePower 

  MOSFETs

• Pulse Skipping Mode (PSM) with 25uA QuiescentCurrent in 

  Sleep Mode

• 100ns Minimum On-time

• 2ms Internal Soft-start Time

• Adjustable Frequency 100KHz to 2.2MHz

• External Clock Synchronization

• Frequency Spread Spectrum (FSS) Modulation forEMI 

  Reduction

• Precision Enable Threshold for ProgrammableInput Voltage 

  Under-voltage Lock Out Protection(UVLO) Threshold 

  and Hysteresis

• Low Dropout Mode Operation

• Derivable Inverting Voltage Regulator

• Over-voltage and Over-Temperature Protection

• Available in an ESOP-8 Package



PIN CONFIGUTION
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TPS54340 TPS54340.pdf

No.13229

FEATURES

• 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 Frequency

• 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

PIN CONFIGUTION
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