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PTL431LIBQDBZRQ1 - Texas Instruments

Description: Automotive adjustable precision shunt regulator with optimized reference current

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PTL431LIBQDBZRQ1 - Texas Instruments - PCB symbol
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PCB Footprints
PTL431LIBQDBZRQ1 - Texas Instruments PCB footprint - SOT23 (3-Pin) - SOT23 (3-Pin) - DBZ0003A height 1.12
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3D Models
PTL431LIBQDBZRQ1 - Texas Instruments - 3D model - SOT23 (3-Pin) - DBZ0003A height 1.12
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PTL431LIBQDBZRQ1 Details

  • Manufacturer Part Number:

    PTL431LIBQDBZRQ1

  • Brand Name:

    Texas Instruments

  • Part Life Cycle Code:

    Obsolete

  • Package Description:

    SOT-23, 3 PIN

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Date Of Intro:

    2019-05-10

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Analog IC - Other Type:

    TWO TERMINAL VOLTAGE REFERENCE

  • JESD-30 Code:

    R-PDSO-G3

  • Length:

    2.92 mm

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    3

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Voltage-Max:

    2.507 V

  • Output Voltage-Min:

    2.483 V

  • Output Voltage-Nom:

    2.495 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Screening Level:

    AEC-Q100

  • Seated Height-Max:

    1.12 mm

  • Supply Voltage-Max (Vsup):

    36 V

  • Supply Voltage-Min (Vsup):

    2.483 V

  • Surface Mount:

    YES

  • Temp Coef of Voltage-Max:

    63.657 ppm/°C

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.95 mm

  • Terminal Position:

    DUAL

  • Trim/Adjustable Output:

    YES

  • Width:

    1.3 mm

PTL431LIBQDBZRQ1 Frequently Asked Questions (FAQs)

  • Texas Instruments recommends a layout with a solid ground plane, short traces, and minimal vias to reduce noise and parasitic inductance. A 4-layer PCB with a dedicated analog ground plane is also recommended.
  • To ensure accurate trimming, use a high-impedance, low-noise voltage source, and a precision resistor network. Also, follow the trimming procedure outlined in the datasheet, and use a calibrated multimeter to measure the output voltage.
  • The maximum allowed voltage on the ADJ pin is 7.5V, which is the maximum rating for the internal voltage reference. Exceeding this voltage may damage the device.
  • While the PTL431LIBQDBZRQ1 can be used as a voltage regulator, it is not recommended due to its limited current capability (50mA) and lack of short-circuit protection. Instead, use a dedicated voltage regulator IC for high-current applications.
  • Ensure good thermal conductivity by using a thermally conductive PCB material, and provide adequate heat sinking for the device. Also, follow the thermal derating guidelines outlined in the datasheet to prevent overheating.

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PTL431LIBQDBZRQ1 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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