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TPS7A14

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1-A, low input and output voltage, ultra-low-dropout (LDO) voltage regulator

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Data sheet

TPS7A14

ACTIVE
Data sheet Order now

Product details

Output options Fixed Output Iout (max) (A) 1 Vin (max) (V) 2.2 Vin (min) (V) 0.7 Vout (max) (V) 2 Vout (min) (V) 0.5 Fixed output options (V) 0.8, 0.85, 0.9, 1, 1.05, 1.1, 1.2, 1.3, 1.8 Rating Catalog Noise (µVrms) 7.2 PSRR at 100 KHz (dB) 43 Iq (typ) (mA) 0.0056 Thermal resistance θJA (°C/W) 136.7 Load capacitance (min) (µF) 1.5 Regulated outputs (#) 1 Features Enable, Output discharge Accuracy (%) 1 Dropout voltage (Vdo) (typ) (mV) 70 Operating temperature range (°C) -40 to 125
Output options Fixed Output Iout (max) (A) 1 Vin (max) (V) 2.2 Vin (min) (V) 0.7 Vout (max) (V) 2 Vout (min) (V) 0.5 Fixed output options (V) 0.8, 0.85, 0.9, 1, 1.05, 1.1, 1.2, 1.3, 1.8 Rating Catalog Noise (µVrms) 7.2 PSRR at 100 KHz (dB) 43 Iq (typ) (mA) 0.0056 Thermal resistance θJA (°C/W) 136.7 Load capacitance (min) (µF) 1.5 Regulated outputs (#) 1 Features Enable, Output discharge Accuracy (%) 1 Dropout voltage (Vdo) (typ) (mV) 70 Operating temperature range (°C) -40 to 125
DSBGA (YBK) 6 0.8236 mm² 1.16 x 0.71 WSON (DRV) 6 4 mm² 2 x 2
  • Ultra-low input voltage range: 0.7 V to 2.2 V
  • High efficiency:
    • Dropout voltage at 1 A: 70 mV (max, YBK)
    • Specified for V IN = V OUT +100 mV
  • Excellent load transient response:
    • 20 mV for I LOAD = 3 mA to 600 mA in 20 µs
  • Accuracy over load, line, and temperature: 1%
  • High PSRR:
    • 80 dB at 1 kHz (V OUT = 0.8 V, I OUT = 500 mA)
  • Available in fixed-output voltages:
    • 0.5 V to 2.0 V (in 25-mV steps)
  • V BIAS range: 2.2 V to 5.5 V
  • Packages:
    • 6-pin DSBGA: 0.71 mm × 1.16 mm
    • 6-pin WSON: 2 mm × 2 mm
  • Active output discharge
  • Ultra-low input voltage range: 0.7 V to 2.2 V
  • High efficiency:
    • Dropout voltage at 1 A: 70 mV (max, YBK)
    • Specified for V IN = V OUT +100 mV
  • Excellent load transient response:
    • 20 mV for I LOAD = 3 mA to 600 mA in 20 µs
  • Accuracy over load, line, and temperature: 1%
  • High PSRR:
    • 80 dB at 1 kHz (V OUT = 0.8 V, I OUT = 500 mA)
  • Available in fixed-output voltages:
    • 0.5 V to 2.0 V (in 25-mV steps)
  • V BIAS range: 2.2 V to 5.5 V
  • Packages:
    • 6-pin DSBGA: 0.71 mm × 1.16 mm
    • 6-pin WSON: 2 mm × 2 mm
  • Active output discharge

The TPS7A14 is a small, ultra low-dropout regulator (LDO) with excellent transient response. This device can source 1 A with outstanding ac performance (load and line transient responses). The input voltage range is 0.7 V to 2.2 V, and the output range is 0.5 V to 2.0 V with a very high accuracy of 1% over load, line, and temperature.

The primary power path is through the IN pin and can be connected to a power supply as low as 50 mV above the output voltage. All electrical characteristics (including excellent output voltage tolerance, transient response, and PSRR) are specified for input voltages 100 mV greater than the output voltage, thereby yielding high practical efficiency. This regulator supports very low input voltages with the use of a higher, externally supplied V BIAS rail that is used to power the internal circuitry of the LDO. For example, the supply voltage to the IN pin can be the output of a high-efficiency, DC/DC step-down regulator and the BIAS pin supply voltage can be a rechargeable battery.

The TPS7A14 is equipped with an active pulldown circuit to quickly discharge the output when disabled, and provides a known start-up state.

The TPS7A14 is available in a 2-mm × 2-mm, 6-pin WSON package and an ultra-small 0.71-mm × 1.16-mm, 6-bump WCSP package.

The TPS7A14 is a small, ultra low-dropout regulator (LDO) with excellent transient response. This device can source 1 A with outstanding ac performance (load and line transient responses). The input voltage range is 0.7 V to 2.2 V, and the output range is 0.5 V to 2.0 V with a very high accuracy of 1% over load, line, and temperature.

The primary power path is through the IN pin and can be connected to a power supply as low as 50 mV above the output voltage. All electrical characteristics (including excellent output voltage tolerance, transient response, and PSRR) are specified for input voltages 100 mV greater than the output voltage, thereby yielding high practical efficiency. This regulator supports very low input voltages with the use of a higher, externally supplied V BIAS rail that is used to power the internal circuitry of the LDO. For example, the supply voltage to the IN pin can be the output of a high-efficiency, DC/DC step-down regulator and the BIAS pin supply voltage can be a rechargeable battery.

The TPS7A14 is equipped with an active pulldown circuit to quickly discharge the output when disabled, and provides a known start-up state.

The TPS7A14 is available in a 2-mm × 2-mm, 6-pin WSON package and an ultra-small 0.71-mm × 1.16-mm, 6-bump WCSP package.
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Technical documentation

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Type Title Date
* Data sheet TPS7A14 1-A, Low VIN, Low VOUT, Ultra-Low Dropout Regulator datasheet (Rev. D) PDF | HTML 29 Aug 2023
White paper Demystifying LDO Turn-On (startup) Time PDF | HTML 05 Oct 2024
EVM User's guide TPS7A14EVM-058, TPS7A14 Evaluation Module User's Guide (Rev. A) PDF | HTML 29 Jun 2023
Certificate TPS7A14EVM-095 EU Declaration of Conformity (DoC) 06 Jun 2023
Application note Design Flexibility of TPS7A1408 to Variable Vout and Stability Check PDF | HTML 13 Jun 2022
Certificate TPS7A14EVM-058 EU RoHS Declaration of Conformity (DoC) 24 Sep 2021

Design & development

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Evaluation board

TPS7A14EVM-058 — TPS7A14 evaluation module for 1-A, low input and output voltage, ultra-LDO voltage regulator

The TPS7A14 evaluation module (EVM) helps design engineers evaluate the operation and performance of the TPS7A14 linear regulator for use in their own circuit application. The configuration of the TPS7A14EVM-058 contains a single low-noise, small-size, linear regulator for a wide range of (...)

User guide: PDF | HTML
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Evaluation board

TPS7A14EVM-095 — TPS7A14 evaluation module for ultra-low noise positive voltage regulator

The Texas Instrument TPS7A14 evaluation module (EVM) evaluates the operation and performance of the TPS7A14 family of linear regulators. This EVM configuration contains a single low-noise, small size, linear regulator for a wide range of applications. The regulator is capable of delivering up to 1 (...)
User guide: PDF | HTML
Not available on TI.com
Simulation model

TPS7A14 PSpice Transient Model

SBVM978.ZIP (86 KB) - PSpice Model
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DSBGA (YBK) 6 Ultra Librarian
WSON (DRV) 6 Ultra Librarian
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