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TPS51125ARGER Integrated Circuit Chip Synchronous Buck Controller IC Step Down Controller

Integrated Circuit Chip
June 19, 2025
Category Connection: Integrated Circuit Chip
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Tags:
#Integrated Circuit Chip 24-PQFN #TUSB1002ARGER Dual Channel Linear #Integrated Chips QFN24
Brief: Discover the TPS51125ARGER Integrated Circuit Chip, a cost-effective dual-synchronous buck controller designed for notebook system power supply solutions. Featuring 5-V and 3.3-V LDOs, this IC offers high efficiency, fast transient response, and low acoustic noise. Ideal for notebook computers, I/O supplies, and system power applications.
Related Product Features:
  • Wide input voltage range from 5.5 V to 28 V for versatile applications.
  • Output voltage range of 2 V to 5.5 V with built-in 100-mA 5-V/3.3-V LDO.
  • Selectable light load and PWM-only operation with Out-of-Audio™ mode.
  • Internal 1.6-ms voltage servo soft start for smooth power-up.
  • Adaptive on-time control architecture with four selectable frequency settings.
  • Built-in output discharge and power good output for enhanced safety.
  • Comprehensive protection features including OVP, UVP, OCP, and thermal shutdown.
  • Compact VQFN-24 package with SMD/SMT mounting for easy integration.
Faqs:
  • What is the operating temperature range of the TPS51125ARGER?
    The TPS51125ARGER operates within a temperature range of -40 ℃ to +85 ℃.
  • Can the TPS51125ARGER be used in notebook computers?
    Yes, the TPS51125ARGER is specifically designed for notebook system power supply solutions, including notebook computers, I/O supplies, and system power applications.
  • Does the TPS51125ARGER support light-load operation?
    Yes, the TPS51125ARGER features selectable light-load and PWM-only operation with Out-of-Audio™ mode, enabling low acoustic noise and higher efficiency.
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