4.5V-60V Vin, 5A, High Efficiency Step-down DCDC Converter with Programmable Frequency, Replace TPS54561
FEATURES

 Wide Input Range: 4.5V-60V

 Up to 5A Continuous Output Current

 0.8V ±1% Feedback Reference Voltage

 Integrated 80mΩ High-Side

 Low Quiescent Current: 175uA

 Pulse Skipping Mode (PSM) in light load

 130ns Minimum On-time

 Programmable Soft-start Time

 Adjustable Frequency 100KHz to 800KHz

 External Clock Synchronization

 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 DFN-10L Package

PIN CONFIGUTION
CROSS
TPS54561 TPS54561.pdf

No.10124

FEATURES

• High Efficiency at Light Loads with Pulse Skipping 

  Eco-mode™

• 87-mΩ High-Side MOSFET

• 152-μA Operating Quiescent Current and 2μA 

  Shutdown Current

• 100-kHz to 2.5-MHz Adjustable Switching Frequency

• Synchronizes to External Clock

• Low Dropout at Light Loads with Integrated BOOT 

  Recharge FET

• Adjustable UVLO Voltage and Hysteresis

• UV and OV Power Good Output

• Adjustable Soft-Start and Sequencing

• 0.8-V 1% Internal Voltage Reference

• 10-Pin SON with Thermal Pad Package

• –40°C to 150°C TJ Operating Range

• Supported by WEBENCH™ Software Tool


PIN CONFIGUTION
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