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Texas Instruments TPS74701 Low-Dropout (LDO) Linear Regulator

Texas Instruments TPS74701 Low-Dropout (LDO) Linear Regulator provides an easy-to-use, robust power management solution for various applications. User-programmable soft-start minimizes stress on the input power source by reducing capacitive inrush current on start-up. The soft-start is monotonic and designed for powering many different types of processors and application-specific integrated circuits (ASICs). The enable input and power-good output allow easy sequencing with external regulators. This complete flexibility allows a solution to be configured that meets the sequencing requirements of field-programmable gate arrays (FPGAs), digital signal processors (DSPs), and other applications with special start-up requirements.

A precision reference and error amplifier delivers 2% accuracy over load, line, temperature, and process. The device is stable with any capacitor greater than or equal to 2.2µF and is fully specified from -40°C to +125°C. The Texas Instruments TPS74701 is offered in a small 3mm × 3mm VSON-10 package for compatibility with the TPS74801.

Features

  • 0.8V to 3.6V VOUT range
  • 0.8V to 5.5V ultra-low VIN range
  • VBIAS range 2.7V to 5.5V
  • Low dropout
  • Power Good (PG) output allows supply monitoring or provides a sequencing signal for other supplies
  • 50mV typically at 500mA, VBIAS = 5V
  • 2% accuracy over line, load, and temperature
  • Programmable soft-start provides linear voltage start-up
  • VBIAS permits low VIN operation with good transient response
  • Stable with any output capacitor ≥ 2.2µF
  • Available in a small 3mm × 3mm × 1mm 10-pin package

Applications

  • Network-attached storage – enterprise
  • Rack servers
  • Network interface cards (NIC)
  • Merchant network and server PSU

Videos

Functional Block Diagram

Block Diagram - Texas Instruments TPS74701 Low-Dropout (LDO) Linear Regulator

Texas Instruments TPS74701 Low-Dropout (LDO) Linear Regulator