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TL431SDT - Nexperia

Description: Nexperia TL431SDT Linear Voltage Regulator, 100mA, Adjustable, 2507 mV → 36 V, SOT-23 3-Pin

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TL431SDT - Nexperia - PCB symbol
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PCB Footprints
TL431SDT - Nexperia PCB footprint - SOT23 (3-Pin) - SOT23 (3-Pin) - SOT23-ren3
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3D Models
TL431SDT - Nexperia - 3D model - SOT23 (3-Pin) - SOT23-ren3
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TL431SDT Details

  • Manufacturer Part Number:

    TL431SDT

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Package Description:

    SOT-23, 3 PIN

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Date Of Intro:

    2017-02-01

  • Manufacturer:

    Nexperia

  • YTEOL:

    0

  • Additional Feature:

    PROGRAMMABLE OUTPUT VOLTAGE UP TO 36 V

  • Analog IC - Other Type:

    TWO TERMINAL VOLTAGE REFERENCE

  • JESD-30 Code:

    R-PDSO-G3

  • Length:

    2.9 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:

    2.55 V

  • Output Voltage-Min:

    2.44 V

  • Output Voltage-Nom:

    2.495 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSOP

  • Package Equivalence Code:

    TO-236

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE

  • Peak Reflow Temperature (Cel):

    NOT SPECIFIED

  • Seated Height-Max:

    1.1 mm

  • Supply Voltage-Max (Vsup):

    36 V

  • Supply Voltage-Min (Vsup):

    2.495 V

  • Surface Mount:

    YES

  • Temp Coef of Voltage-Max:

    82.589 ppm/°C

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.95 mm

  • Terminal Position:

    DUAL

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

    NOT SPECIFIED

  • Trim/Adjustable Output:

    YES

  • Width:

    1.3 mm

TL431SDT Frequently Asked Questions (FAQs)

  • The TL431SDT can operate from -40°C to 150°C, but the accuracy and stability of the voltage reference may degrade at extreme temperatures.
  • To ensure stability and accuracy, it's essential to follow proper PCB layout and design guidelines, such as keeping the input and output capacitors close to the device, using a low-ESR capacitor for the output, and minimizing noise and interference.
  • The recommended input voltage range for the TL431SDT is 2.5V to 36V, but it can operate up to 40V with reduced accuracy and stability.
  • While the TL431SDT can be used as a voltage regulator, it's not recommended due to its limited current capability (up to 100mA) and lack of short-circuit protection. Instead, use a dedicated voltage regulator IC for high-current applications.
  • The output voltage of the TL431SDT can be calculated using the formula: Vout = Vref * (1 + R1/R2), where Vref is the internal reference voltage (2.495V), R1 is the resistance between the output and the cathode, and R2 is the resistance between the cathode and the anode.

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TL431SDT Overview

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About Nexperia

Nexperia is a leading global player in the semiconductor industry. Specializing in essential electronic components, Nexperia offers a diverse range of products including discrete components, MOSFETs, logic ICs, and analog ICs. These components are integral to a multitude of applications across automotive, industrial, consumer electronics, and computing sectors, where reliability, performance, and efficiency are paramount.

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