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TPS74701
  • TPS74701
  • TPS74701

TPS74701

ACTIVE

500-mA, low-VIN (0.8-V), adjustable ultra-low-dropout voltage regulator with power good & enable

Texas Instruments TPS74701 Product Info

1 April 2026 0

Parameters

Rating

Catalog

Vin (max) (V)

5.5

Vin (min) (V)

0.8

Iout (max) (A)

0.5

Output options

Adjustable Output, Fixed Output

Vout (max) (V)

3.6

Vout (min) (V)

0.8

Fixed output options (V)

3.6

Noise (µVrms)

20

PSRR at 100 KHz (dB)

27

Iq (typ) (mA)

1

Features

Enable, Power good, Soft start

Thermal resistance θJA (°C/W)

42

Load capacitance (min) (µF)

2.2

Regulated outputs (#)

1

Accuracy (%)

2

Dropout voltage (Vdo) (typ) (mV)

50

Operating temperature range (°C)

-40 to 125

Package

VSON (DRC)-10-9 mm² 3 x 3

Features

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

Description

The TPS74701 low-dropout (LDO) linear regulator provides an easy-to-use, robust power management solution for a wide variety of 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 deliver 2% accuracy over load, line, temperature, and process. The device is stable with any type of capacitor greater than or equal to 2.2 µF, and is fully specified from –40°C to +125°C. The TPS74701 is offered in a small 3-mm × 3-mm VSON-10 package for compatibility with the TPS74801.

The TPS74701 low-dropout (LDO) linear regulator provides an easy-to-use, robust power management solution for a wide variety of 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 deliver 2% accuracy over load, line, temperature, and process. The device is stable with any type of capacitor greater than or equal to 2.2 µF, and is fully specified from –40°C to +125°C. The TPS74701 is offered in a small 3-mm × 3-mm VSON-10 package for compatibility with the TPS74801.

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