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TPS53119 Key Features

  • 1 Conversion input voltage range: 3 V to 26 V
  • VDD input voltage range: 4.5 V to 25 V
  • Output voltage range: 0.6 V to 5.5 V
  • Built-In 0.6-V (±0.8%) reference
  • Built-In LDO linear voltage regulator
  • Auto-skip Eco-Mode™ for light-load efficiency
  • D-CAP™ mode with 100-ns load-step response
  • Adaptive ON-time control architecture with 8
  • 4700-ppm/°C RDS(on) current sensing
  • 0.7-ms, 1.4-ms, 2.8-ms and 5.6-ms Selectable

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TPS53119 Description

The TPS53119 device is a small-sized single buck controller with adaptive ON-time D-CAP mode control. The device is designed for low output voltage, high current, PC system power rail and similar point-of-load (POL) power supplies in digital consumer products. The small package and minimal pin count save space on the PCB, while the dedicated EN pin and pre-set frequency selections simplify the power supply design.