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
优势替代
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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