TL431ACDRG4 by Texas Instruments | Voltage Reference | Avnet ASIA
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TL431ACDRG4

Texas Instruments

V-Ref Adjustable 2.495V to 36V 100mA 8-Pin SOIC T/R

Manufacturer Part #: TL431ACDRG4

Alternate Part #: TL431ACDRG4


legend RoHS Compliant

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Information

The TL431 and TL432 devices are three-terminal adjustable shunt regulators, with specified thermal stability over applicable automotive, commercial, and military temperature ranges. The output voltage can be set to any value between Vref (approximately
2.5 V) and 36 V, with two external resistors (see ). These devices have a typical output impedance of 0.2 Ω. Active output circuitry provides a very sharp turn-on characteristic, making these devices excellent replacements for Zener diodes in many applications, such as onboard regulation, adjustable power supplies, and switching power supplies. The TL432 device has exactly the same functionality and electrical specifications as the TL431 device, but has different pinouts for the DBV, DBZ, and PK packages.

Both the TL431 and TL432 devices are offered in three grades, with initial tolerances (at 25°C) of 0.5%, 1%, and 2%, for the B, A, and standard grade, respectively. In addition, low output drift versus temperature ensures good stability over the entire temperature range.

The TL43xxC devices are characterized for operation from 0°C to 70°C, the TL43xxI devices are characterized for operation from –40°C to 85°C, and the TL43xxQ devices are characterized for operation from –40°C to 125°C.

Key Features

  • Reference Voltage Tolerance at 25°C
    • 0.5% (B Grade)
    • 1% (A Grade)
    • 2% (Standard Grade)
  • Adjustable Output Voltage: Vref to 36 V
  • Operation From −40°C to 125°C
  • Typical Temperature Drift (TL431B)
    • 6 mV (C Temp)
    • 14 mV (I Temp, Q Temp)
  • Low Output Noise
  • 0.2-Ω Typical Output Impedance
  • Sink-Current Capability: 1 mA to 100 mA
  • Technical Attributes

    Description
    Value
    Find similar Parts
    Topology
    Shunt
    Product Dimensions
    5 x 4 x 1.5 mm
    Supplier Package
    SOIC
    Maximum Temperature Coefficient
    34 ppm/°C
    Pin Count
    8
    Initial Accuracy
    1 %
    Screening Level
    Commercial
    Output Voltage
    2.495 to 36 V
    Operating Temperature
    0 to 70 °C
    Maximum Output Current
    100 mA
    Lead Finish
    Gold
    Mounting
    Surface Mount
    Max Processing Temp
    260
    MSL Level
    1
    Maximum Input Voltage
    37 V

    ECCN / UNSPSC

    Description
    Value
    ECCN:
    EAR99
    SCHEDULE B:
    8542.2191-00
    HTSN:
    8542.2191-00
    UNSPSC:
    32101600
    UNSPSC VERSION:
    V15.1101

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