Product details

Output options Adjustable Output Iout (Max) (A) 0.5 Vin (Max) (V) 5.5 Vin (Min) (V) 0.8 Vout (Max) (V) 3.6 Vout (Min) (V) 0.8 Noise (uVrms) 20 Iq (Typ) (mA) 1 Thermal resistance θJA (°C/W) 42 Rating Catalog Load capacitance (Min) (µF) 2.2 Regulated outputs (#) 1 Features Enable, Power Good, Soft Start Accuracy (%) 2 PSRR @ 100 KHz (dB) 27 Dropout voltage (Vdo) (Typ) (mV) 50 Operating temperature range (C) -40 to 125
Output options Adjustable Output Iout (Max) (A) 0.5 Vin (Max) (V) 5.5 Vin (Min) (V) 0.8 Vout (Max) (V) 3.6 Vout (Min) (V) 0.8 Noise (uVrms) 20 Iq (Typ) (mA) 1 Thermal resistance θJA (°C/W) 42 Rating Catalog Load capacitance (Min) (µF) 2.2 Regulated outputs (#) 1 Features Enable, Power Good, Soft Start Accuracy (%) 2 PSRR @ 100 KHz (dB) 27 Dropout voltage (Vdo) (Typ) (mV) 50 Operating temperature range (C) -40 to 125
VSON (DRC) 10 9 mm² 3 x 3 VSON (DRC) 10 9 mm² 3.00 x 3.00
  • VOUT Range: 0.8 V to 3.6 V
  • Ultralow VIN Range: 0.8 V to 5.5 V
  • VBIAS Range 2.7 V to 5.5 V
  • Low Dropout: 50 mV Typically at 500 mA, VBIAS = 5 V
  • Power Good (PG) Output Allows Supply Monitoring or Provides a Sequencing Signal for Other Supplies
  • 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 ≥ 2.2 μF
  • Available in a Small 3-mm × 3-mm × 1-mm 10-Pin Package
  • APPLICATIONS
    • FPGA Applications
    • DSP Core and I/O Voltages
    • Post-Regulation Applications
    • Applications With Special Start-Up Time or Sequencing Requirements
    • Hot-Swap and Inrush Controls
  • VOUT Range: 0.8 V to 3.6 V
  • Ultralow VIN Range: 0.8 V to 5.5 V
  • VBIAS Range 2.7 V to 5.5 V
  • Low Dropout: 50 mV Typically at 500 mA, VBIAS = 5 V
  • Power Good (PG) Output Allows Supply Monitoring or Provides a Sequencing Signal for Other Supplies
  • 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 ≥ 2.2 μF
  • Available in a Small 3-mm × 3-mm × 1-mm 10-Pin Package
  • APPLICATIONS
    • FPGA Applications
    • DSP Core and I/O Voltages
    • Post-Regulation Applications
    • Applications With Special Start-Up Time or Sequencing Requirements
    • Hot-Swap and Inrush Controls
  • 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 well-suited for powering many different types of processors and ASICs. The enable input and power good output allow easy sequencing with external regulators. This complete flexibility permits the user to configure a solution that meets the sequencing requirements of FPGAs, 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 SON-10 package for compatibility with the TPS74801.

    For all available packages, see the orderable addendum at the end of the data sheet.

    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 well-suited for powering many different types of processors and ASICs. The enable input and power good output allow easy sequencing with external regulators. This complete flexibility permits the user to configure a solution that meets the sequencing requirements of FPGAs, 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 SON-10 package for compatibility with the TPS74801.

    For all available packages, see the orderable addendum at the end of the data sheet.

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    Technical documentation

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    Type Title Date
    * Data sheet TPS74701 500-mA Low-Dropout Linear Regulator With Programmable Soft-Start datasheet (Rev. G) 29 Oct 2015
    Technical article 3 quiescent-current (Iq) specifications you need to understand 12 Nov 2021
    Application note LDO Noise Demystified (Rev. B) 18 Aug 2020
    Application note Using Thermal Calculation Tools for Analog Components (Rev. A) 30 Aug 2019
    Application note A Topical Index of TI LDO Application Notes (Rev. F) 27 Jun 2019
    Selection guide Power Management Guide 2018 (Rev. R) 25 Jun 2018
    Selection guide Low Dropout Regulators Quick Reference Guide (Rev. P) 21 Mar 2018
    Application note LDO PSRR Measurement Simplified (Rev. A) 09 Aug 2017
    White paper Minimum Power Specifications for High-Performance ADC Power-Supply Designs 31 Mar 2016
    Technical article Designing a power supply solution for pipeline ADCs – Part 2 04 Sep 2015
    Application note Simple Power Solution Using LDOs for the DM365 (Rev. A) 11 Sep 2009
    Application note Simple Power Solution Using LDOs for the DM365 04 Aug 2009
    Application note Simple Power Solution Using LDOs For TMS320C2834x MCU 24 Jul 2009
    User guide TPS74701EVM-177 and TPS74801EVM-177 User's Guide (Rev. A) 04 Dec 2007

    Design & development

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