3.8~40V Input,5A Synchronous Step-down DC/DC with PSM Mode,Replace TPS54540.
FEATURES

• Wide Input Range: 3.8V-36V

• Up to 5A Continuous Output Current

• 0.8V ±1% Feedback Reference Voltage

• Pulse Skipping Mode (PSM) with 25uA Quiescent Current

• 100ns Minimum On-time

• 4ms Internal Soft-start Time

• Adjustable Frequency 100KHz to 1.1MHz

• 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

PIN CONFIGUTION
CROSS
TPS54540 TPS54540.pdf

No.10167

FEATURES

• High Efficiency at Light Loads with Pulse Skipping 

  Eco-mode™

• 92-mΩ High-Side MOSFET

• 146μA Operating Quiescent Current and 2μA 

   Shutdown Current

• 100 kHz to 2.5 MHz Fixed Switching Frequency

• Synchronizes to External Clock

• Low Dropout at Light Loads with Integrated BOOT 

   MRecharge FET

• Adjustable UVLO Voltage and Hysteresis

• 0.8V 1% Internal Voltage Reference

• 8-Pin HSOIC with PowerPAD™ Package

 –40°C to 150°C TJ Operating Range


PIN CONFIGUTION
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