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TL431

Product specification

The TL431 is an electronic component from MSKSEMI Semiconductor. Product specification. View the full TL431 datasheet below including absolute maximum ratings.

Manufacturer

MSKSEMI Semiconductor

Overview

Part: TL431A-MS from MSKSEMI Semiconductor

Type: Adjustable Shunt Regulator

Key Specs:

  • Output Voltage Range: Vref (approx. 2.5V) to 36V
  • Cathode Current (for regulation): 0.3mA to 100mA
  • On-wafer Vref trimming: ± 0.3%
  • Packaged Vref accuracy: 95% chips ±0.5%
  • Low Dynamic output impedance: 0.1Ω (Typ)
  • Excellent temperature coefficient: 25ppm/°C
  • Fast turn-on response: 1.8μs
  • Electrostatic discharge voltage (HBM): 1.6kV

Features:

  • On-wafer Vref trimming ± 0.3%
  • 95% chips after packaging have Vref accuracy ±0.5%
  • Low Dynamic output impedance 0.1Ω (Typ)
  • Adjustable output voltage
  • Fast turn-on response
  • Sink current capability of 0.1mA to 100mA
  • Low output noise
  • Industrial temperature range
  • Improved temperature compensation
  • Excellent temperature coefficient 25ppm/°C
  • Electrostatic discharge voltage 1.6kV

Applications:

  • Replacement for zener diodes

Package:

  • SOT-23: Length 2.800-3.000 mm, Width 2.250-2.550 mm, Height 1.200-1.400 mm

Absolute Maximum Ratings

  • PARAMETER
  • Cathode
    voltage
    (Note
    1)
  • Continuous
    cathode
    current
    range
  • REF
    (Reference)
    input
    current
    range
  • Operating
    free-air
    temperature
    range
  • Lead
    temperature
    (1.6mm
    aside
    from
    the
    case,
    10
    seconds)
  • ESD
    (HBM)

Note 1: The voltage values are with respect to the anode terminal unless otherwise noted.

Recommended Operating Conditions

PARAMETERMINMAXUNIT
Cathode
voltage,
VKA
Vref36V
Cathode
current,
IK
(for
regulation
)
0.3100mA

LECTRICAL CHARACTERISTICS

(At 25°C free-air temperature, unless otherwise noted)

PARAMETERSYMBOLTEST CIRCUITTEST CONDITIONSMINTYPMAXUNIT
Reference voltage accuracy at wafer testingdVref1Wafer testing Vka = Vref-0.5%0%0.5%%
Packaged dice with accuracy Vref ±0.5%Vka = Vref95%%
REF input voltageVref1

PARAMETER MEASUREMENT INFORMATION

Package Information

Dimensions In MillimetersDimensions In Inches
SymbolMinMaxMin
A0.9001.1500.035
A10.0000.1000.000
A20.9001.0500.035
b0.3000.5000.012
c0.0800.1500.003
D2.8003.0000.110
E1.2001.4000.047
E12.2502.5500.089
e0.950 TYP0.037 TYP
e11.8002.0000.071
L0.550 REF0.022 REF
L10.3000.5000.012
θ
Suggested
Pad
Layout

Attention

■ Any and all MSKSEMI Semiconductor products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft's control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. Consult with your MSKSEMI Semiconductor representative nearest you before using any MSKSEMI Semiconductor products described or contained herein in such applications.

■ MSKSEMI Semiconductor assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specificationsof any andall MSKSEMI Semiconductor products described orcontained herein.

■ Specifications of any and all MSKSEMI Semiconductor products described or contained herein stipulate the

performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer'sproducts orequipment.

■ MSKSEMI Semiconductor. strives to supply high-quality high-reliability products. However, any and all semiconductor products fail with someprobability. It is possiblethat these probabilistic failures could give rise to accidents or events that could endanger human lives, that could give rise to smoke or fire, or that could cause damage to other property. When designing equipment, adopt safety measures so that these kinds of accidents or events cannot occur. Such measures include but are not limited to protective circuits anderror prevention circuitsfor safedesign, redundant design, and structural design.

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mechanical, including photocopying and recording, or any information storage or retrieval system, or otherwise, without the prior written permission of MSKSEMI Semiconductor.

■ Information (including circuit diagrams and circuit parameters) herein is for example only ; it is not guaranteed for volume production. MSKSEMI Semiconductor believes information herein isaccurate and reliable, but no guarantees are made or implied regarding its use or any infringementsof intellectual property rights or other rightsof third parties.

■ Any and all information described or contained herein are subjectto change without notice due to

product/technology improvement, etc. Whendesigning equipment, referto the "Delivery Specification" for the MSKSEMI Semiconductor productthat you intend to use.

Data on this page is extracted from publicly available manufacturer datasheets using automated tools including AI. It may contain errors or omissions. Always verify specifications against the official manufacturer datasheet before making design or purchasing decisions. See our Terms of Service. Rights holders can submit a takedown request.

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