4.5 V to 42 V Input, 5 A, Step Down DC-DC Converter with Eco-mode™,SCT2422 Replace TPS54540.
FEATURES

• Wide Input Range: 3.8V-40V

• Up to 2A Continuous Output Current

• 0.8V ±1% Feedback Reference Voltage

• Integrated 160mΩ High-Side and 

  80mΩ Low-Side Power MOSFETs

• Pulse Skipping Mode (PSM) with 

  25uA Quiescent Current in Sleep Mode

• 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

• Precision Enable Threshold for Programmable 

  Input 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
CROSS
TPS54540 TPS54540.pdf

No.13327

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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