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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