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4.5V to 42V Input, 5A, Step-Down DCDC Converter With Eco-mode?，SCT2450Q Replace TPS54540-Q1.
FEATURES

? Qualified for Automotive Applications

? AEC-Q100 Qualified with the Following Results:
  - Device Temperature Grade 1: -40°C to 125°C
    Ambient Operating Temperature Range
  - Device HBM ESD Classification Level 2
  - Device CDM ESD Classification Level C3
? Wide Input Range: 3.8V-36V
? Up to 5A Continuous Output Current
? 0.8V ±1% Feedback Reference Voltage
? Integrated 48m? High-Side and 23mΩ Low-Side
  Power MOSFETs
? Pulse Skipping Mode (PSM) with 25uA Quiescent
  Current in Sleep Mode
? 100ns Minimum On-time
? 4ms Internal Soft-start Time
? Adjustable Frequency 100KHz to 2.2MHz
? External Clock Synchronization
? Frequency Spread Spectrum (FSS) Modulation for
  EMI Reduction
? Precision Enable Threshold for adjustable 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
優勢替代
TPS54540-Q1 TPS54540-Q1.pdf

No.14456

FEATURES

? Qualified for Automotive Applications

  Device Temperature Grade 1: –40°C to 

  125°C Ambient Operating Temperature Range

  Device HBM ESD Classification Level H1C

  Device CDM ESD Classification Level C3B

? High-Efficiency at Light Loads With Pulse-Skipping 

  Eco-mode?

? 92-mΩ High-Side MOSFET

? 146-μA Operating Quiescent Current and 2-μA 

  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

? 0.8-V 1% Internal Voltage Reference

? 8-Pin HSOP PowerPAD? Package

? –40°C to 150°C TJ Operating Range

? Supported by WEBENCH? Software Tool








PIN CONFIGUTION
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