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High Efficiency Synchronous Step down DCDC Converter with Programmable Sofst tart Time, P2P TPS54531.
FEATURES

? Wide Input Range: 3.8V-36V

? Up to 5A Continuous Output Current

? 0.8V ±1% Feedback Reference Voltage

? Integrated 45mΩ High-Side and 20mΩ Low-Side 

  Power MOSFETs

? Pulse Skipping Mode PSM with 25uA Quiescent 

  Current in Sleep Mode

? 100ns Minimum On-time

? Programmable Soft-start Time

? Fixed Switching Frequency 570kHz

? Frequency Spread Spectrum FSS Modulation for 

  EMI Reduction

? Precision Enable Threshold for Programmable Input 

  Voltage Lock Out (UVLO) Threshold and Hysteresis

? Low Dropout Mode Operation

? Derivable Inverting Voltage Regulator

? Over-voltage and Over Temperature Protection

PIN CONFIGUTION
優勢替代
TPS54531 TPS54531.pdf

No.10470

FEATURES

? 3.5V to 28V Input Voltage Range

? Adjustable Output Voltage Down to 0.8V

? Integrated 80 mΩ High Side MOSFET Supports

  up to 5A Continuous Output Current

? High Efficiency at Light Loads with a Pulse

  Skipping Eco-mode?

? Fixed 570kHz Switching Frequency

? Typical 1μA Shutdown Quiescent Current

? Adjustable Slow Start Limits Inrush Currents

? Programmable UVLO Threshold

? Overvoltage Transient Protection

? Cycle-by-Cycle Current Limit, Frequency Fold

  Back and Thermal Shutdown Protection

? Available in Easy-to-Use Thermally Enhanced

  SOIC8 PowerPADTM Package



PIN CONFIGUTION
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