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 48mΩ 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
优势替代
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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