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TPS79945YZUR - Texas Instruments

Description: 200mA, Low Quiescent Current, Ultra-Low Noise, High PSRR Low Dropout Linear Regulator

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TPS79945YZUR - Texas Instruments PCB footprint - BGA - BGA - YZU0005
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TPS79945YZUR - Texas Instruments  - 3D model - BGA - YZU0005
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TPS79945YZUR Details

  • Manufacturer Part Number:

    TPS79945YZUR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    BGA

  • Pin Count:

    5

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Adjustability:

    FIXED

  • Dropout Voltage1-Max:

    0.16 V

  • Dropout Voltage1-Nom:

    0.1 V

  • Input Voltage Absolute-Max:

    7 V

  • Input Voltage-Max:

    6.5 V

  • Input Voltage-Min:

    4.66 V

  • JESD-30 Code:

    R-XBGA-B5

  • JESD-609 Code:

    e1

  • Length:

    1.53 mm

  • Line Regulation-Max:

    0.001656%

  • Load Regulation-Max:

    0.017955%

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    5

  • 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:

    0.2 A

  • Output Voltage1-Max:

    4.59 V

  • Output Voltage1-Min:

    4.41 V

  • Output Voltage1-Nom:

    4.5 V

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    VFBGA

  • Package Equivalence Code:

    BGA5,3X3,17/10

  • Package Shape:

    RECTANGULAR

  • Package Style:

    GRID ARRAY, VERY THIN PROFILE, FINE PITCH

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

  • Seated Height-Max:

    0.625 mm

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • Terminal Finish:

    Tin/Silver/Copper (Sn/Ag/Cu)

  • Terminal Form:

    BALL

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    BOTTOM

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

    30

  • Voltage Tolerance-Max:

    2%

  • Width:

    1.195 mm

TPS79945YZUR Frequently Asked Questions (FAQs)

  • The recommended input capacitor value is 1uF to 10uF, with a voltage rating of at least 6.3V. A larger capacitor can help reduce input voltage ripple and improve overall performance.
  • To ensure stability, follow the recommended PCB layout guidelines, use a low-ESR output capacitor (e.g., X5R or X7R type), and add a 10nF to 100nF capacitor between the VOUT and GND pins to filter out high-frequency noise.
  • The maximum output current is 450mA, but it's recommended to derate the output current based on the ambient temperature and the input voltage to ensure reliable operation.
  • The TPS79945YZUR is rated for operation up to 125°C, but the output current and voltage regulation may degrade at higher temperatures. It's essential to consider the thermal design and heat dissipation in your application.
  • The output voltage can be adjusted by connecting a resistor divider network between the VOUT and ADJ pins. The output voltage is calculated using the formula: VOUT = 1.2V x (1 + R1/R2), where R1 and R2 are the resistors in the divider network.

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TPS79945YZUR Overview

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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 TPS79945YZUT Texas Instruments

Fixed Positive LDO Regulator, 4.5V, 0.16V Dropout, BICMOS, BGA5