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LP38691DT-3.3 - Texas Instruments

Description: IC REG LDO 500MA 3.3V

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PCB Footprints
LP38691DT-3.3 - Texas Instruments PCB footprint - Other - Other - TO228P1042X238-3N
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LP38691DT-3.3 Details

  • Manufacturer Part Number:

    LP38691DT-3.3

  • 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:

    0.55 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:

    0.02046%

  • Load Regulation-Max:

    0.08234%

  • 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:

    3.432 V

  • Output Voltage1-Min:

    3.168 V

  • Output Voltage1-Nom:

    3.3 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-3.3 Frequently Asked Questions (FAQs)

  • The recommended input capacitor value is 10uF, but it can be adjusted based on the specific application and input voltage ripple requirements.
  • Yes, LP38691DT-3.3 is rated for operation up to 125°C, but the output voltage and current may degrade at higher temperatures. Ensure proper thermal design and derating for reliable operation.
  • Follow the recommended PCB layout guidelines, use a sufficient input capacitor, and ensure the output capacitor is within the recommended range (10uF to 100uF). Additionally, minimize the distance between the input and output capacitors and the regulator.
  • The minimum input voltage required is 2.7V, but it's recommended to maintain a minimum input voltage of 3.3V to ensure proper operation and regulation.
  • Yes, LP38691DT-3.3 is suitable for battery-powered devices due to its low quiescent current (IQ) of 50uA and low dropout voltage (VDO) of 250mV. However, consider the battery life and overall system power consumption when selecting the regulator.

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LP38691DT-3.3 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 LP38691DT-3.3/NOPB National Semiconductor Corporation

Fixed Positive LDO Regulator, 3.3V, 0.55V Dropout, CMOS, PSSO2