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LP38691DT-1.8 - Texas Instruments

Description: IC REG LDO 500MA 1.8V

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LP38691DT-1.8 - Texas Instruments PCB footprint - Other - Other - TO228P1042X238-3N
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LP38691DT-1.8 Details

  • Manufacturer Part Number:

    LP38691DT-1.8

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TO-252

  • Package Description:

    TO-252, 3 PIN

  • Pin Count:

    4

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Adjustability:

    FIXED

  • Dropout Voltage1-Max:

    0.25 V

  • Dropout Voltage1-Nom:

    0.25 V

  • Input Voltage Absolute-Max:

    12 V

  • Input Voltage-Max:

    10 V

  • Input Voltage-Min:

    2.7 V

  • JESD-30 Code:

    R-PSSO-G2

  • JESD-609 Code:

    e0

  • Length:

    6.58 mm

  • Line Regulation-Max:

    0.01386%

  • Load Regulation-Max:

    0.0449%

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    2

  • 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 Voltage1-Max:

    1.872 V

  • Output Voltage1-Min:

    1.728 V

  • Output Voltage1-Nom:

    1.8 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TO-252

  • Package Equivalence Code:

    SMSIP3H,.38,90TB

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TUBE

  • Peak Reflow Temperature (Cel):

    235

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

  • Screening Level:

    AEC-Q100

  • Seated Height-Max:

    2.38 mm

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    2.285 mm

  • Terminal Position:

    SINGLE

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

    30

  • Voltage Tolerance-Max:

    4%

  • Width:

    6.1 mm

LP38691DT-1.8 Frequently Asked Questions (FAQs)

  • The recommended input capacitor value is 1uF to 10uF, depending on the input voltage and output current requirements. A larger capacitor value can help to reduce input voltage ripple and improve output voltage regulation.
  • To ensure stability, it's essential to follow the recommended PCB layout guidelines, use a sufficient output capacitor value (at least 2.2uF), and keep the input and output capacitors close to the regulator. Additionally, avoid using long traces and minimize the distance between the input and output capacitors.
  • The maximum dropout voltage for the LP38691DT-1.8 regulator is approximately 1.5V. This means that the input voltage should be at least 1.5V higher than the output voltage to ensure proper regulation.
  • The LP38691DT-1.8 regulator is rated for operation up to 125°C. However, it's essential to consider the thermal derating of the device and ensure that the junction temperature does not exceed the maximum rating. Proper heat sinking and thermal management are crucial in high-temperature environments.
  • The power dissipation of the LP38691DT-1.8 regulator can be calculated using the formula: Pd = (Vin - Vout) x Iout. Where Vin is the input voltage, Vout is the output voltage, and Iout is the output current. It's essential to ensure that the power dissipation does not exceed the maximum rating of the device.

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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 LP38691DT-1.8 National Semiconductor Corporation

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