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High Efficiency Step down DCDC Converter with Programmable Frequency and Soft start Time, Replace TPS54540.
FEATURES

Wide Input Range: 3.8V-60V

Up to 5A Continuous Output Current

0.8V ±1% Feedback Reference Voltage

Integrated 80mΩ High-Side

Ultra low Iq 30μA

Pulse Skipping Mode (PSM) in light load

100ns Minimum On-time

4ms Internal Soft-start Time

Adjustable Frequency 100KHz to 2.5MHz

External Clock Synchronization

Derivable Inverting Voltage Regulator

Over-voltage and Over-Temperature Protection

Available in an ESOP-8 Package

PIN CONFIGUTION
優(yōu)勢(shì)替代
TPS54540 TPS54540.pdf

No.13266

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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