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TPS70251PWPR - Texas Instruments

Description: LDO Regulator Pos 1.8V3.3V 0.5A/0.25A 20-Pin HTSSOP EP T/R

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TPS70251PWPR Details

  • Manufacturer Part Number:

    TPS70251PWPR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Pin Count:

    20

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Adjustability:

    FIXED

  • Dropout Voltage1-Max:

    0.275 V

  • Dropout Voltage1-Nom:

    0.17 V

  • Input Voltage Absolute-Max:

    7 V

  • Input Voltage-Max:

    6 V

  • Input Voltage-Min:

    3.641 V

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e4

  • Length:

    6.5 mm

  • Line Regulation-Max:

    0.0056%

  • Load Regulation-Max:

    0.001%

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Outputs:

    2

  • Number of Terminals:

    20

  • Operating Temperature TJ-Max:

    125 °C

  • Operating Temperature TJ-Min:

    -40 °C

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current1-Max:

    0.5 A

  • Output Current2-Max:

    0.25 A

  • Output Voltage1-Max:

    3.366 V

  • Output Voltage1-Min:

    3.234 V

  • Output Voltage1-Nom:

    3.3 V

  • Output Voltage2-Max:

    1.836 V

  • Output Voltage2-Min:

    1.764 V

  • Output Voltage2-Nom:

    1.8 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Equivalence Code:

    TSSOP20,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    FIXED POSITIVE MULTIPLE OUTPUT LDO REGULATOR

  • Seated Height-Max:

    1.2 mm

  • Surface Mount:

    YES

  • Technology:

    PMOS

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Voltage Tolerance-Max:

    2%

  • Width:

    4.4 mm

TPS70251PWPR Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended PCB layout in the datasheet, but it's also recommended to follow general guidelines for LDO regulator layout, such as keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing trace lengths and widths to reduce noise and EMI.
  • The output voltage tolerance of the TPS70251PWPR is specified as ±2% over the operating temperature range. To calculate the output voltage tolerance, multiply the nominal output voltage by the tolerance percentage. For example, for a 3.3V output, the tolerance would be ±66mV (3.3V x 0.02).
  • The maximum input voltage that can be applied to the TPS70251PWPR is 15V, but it's recommended to limit the input voltage to 12V to ensure reliable operation and to prevent damage to the device.
  • The TPS70251PWPR has a soft-start feature that limits the inrush current during power-up. The device starts up slowly, with a typical start-up time of 1ms, to prevent voltage overshoots and to ensure a stable output voltage.
  • The TPS70251PWPR is rated for operation up to 125°C, but it's recommended to derate the output current and input voltage as the temperature increases to ensure reliable operation. Consult the datasheet for specific derating guidelines.

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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Part Image TPS70251PWPRG4 Texas Instruments

Fixed Positive LDO Regulator, 2 Output, 3.3V1, 1.8V2, PMOS, PDSO20