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TPS78408QDBVRQ1 - Texas Instruments

Description: LDO Voltage Regulators Automotive, 300-mA, low-IQ, high-PSRR, LDO voltage regulator with high accuracy and enable 5-SOT-23 -40 to 150

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PCB Footprints
TPS78408QDBVRQ1 - Texas Instruments PCB footprint - SOT23 (5-Pin) - SOT23 (5-Pin) - DBV
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3D Models
TPS78408QDBVRQ1 - Texas Instruments  - 3D model - SOT23 (5-Pin) - DBV
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TPS78408QDBVRQ1 Details

  • Manufacturer Part Number:

    TPS78408QDBVRQ1

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    SOT-23-5

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Date Of Intro:

    2020-03-14

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Adjustability:

    FIXED

  • Dropout Voltage1-Max:

    0.775 V

  • Dropout Voltage1-Nom:

    0.115 V

  • Input Voltage Absolute-Max:

    6.5 V

  • Input Voltage-Max:

    6 V

  • Input Voltage-Min:

    1.65 V

  • JESD-30 Code:

    R-PDSO-G5

  • JESD-609 Code:

    e4

  • Length:

    2.9 mm

  • Line Regulation-Max:

    0.0003%

  • Load Regulation-Max:

    0.01%

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    5

  • Operating Temperature TJ-Max:

    150 °C

  • Operating Temperature TJ-Min:

    -40 °C

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current1-Max:

    0.3 A

  • Output Voltage1-Max:

    0.8136 V

  • Output Voltage1-Min:

    0.7864 V

  • Output Voltage1-Nom:

    0.8 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    LSSOP

  • Package Equivalence Code:

    TSOP5/6,.11,37

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Regulator Type:

    FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

  • Screening Level:

    AEC-Q100

  • Seated Height-Max:

    1.45 mm

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.95 mm

  • Terminal Position:

    DUAL

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

    30

  • Voltage Tolerance-Max:

    1.7%

  • Width:

    1.6 mm

TPS78408QDBVRQ1 Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended PCB layout in the datasheet, but it's also important to follow general best practices for power management ICs, such as keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing trace lengths and widths.
  • To ensure stability, make sure to follow the recommended component values and PCB layout, and also consider the output capacitor's ESR (Equivalent Series Resistance) and ESL (Equivalent Series Inductance) values. Additionally, the datasheet provides a stability analysis section that can help with this.
  • While the datasheet specifies a maximum input voltage of 5.5V, it's essential to consider the absolute maximum rating of 6V, which should not be exceeded to prevent damage to the device.
  • The TPS78408QDBVRQ1 is rated for operation up to 125°C, but it's crucial to consider the device's power dissipation and thermal management when operating in high-temperature environments. Ensure that the device is properly heatsinked and follow the thermal design guidelines in the datasheet.
  • Start by verifying the input voltage, output voltage, and current consumption using an oscilloscope or multimeter. Check the PCB layout and component values against the recommended design. Consult the datasheet's troubleshooting section and application notes for guidance on specific issues.

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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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