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Bare Die Product Detail: TL431

Shunt Voltage Reference:
TL431 x3 terminal shunt reference combines low temperature co-efficient zener band-gap regulation with programmability. Operating over a wide 1mA to 100mA current range, voltage is set via x2 external resistors from VREF (2.5V) to 36V.
This bare die suits hybrid & MCM design requirements for high reliability, high integration & stability at temperature. This part is a direct replacement for ON Semi (ON) or Texas Instruments (TI) TL431, TL431A, TL431B, TL431C & TL431M.
Features:
  • Programmable output voltage to 36V
  • ±0.5% reference voltage tolerance at 25°C
  • Low dynamic output impedance: 0.27Ω Typ
  • Sink current capability: 1mA to 100 mA
  • Band-gap reference corrects temperature drift
  • Full military temperature range
  • Smaller die size than industry peers
Vendor:
Silicon Supplies
  Electrical Datasheet

Die Physical Data:
Footprint: 0.456mm² (706.802mil²)
  Request Pad Layout
Product Families: Used for this device are tabulated below.
Functional:
  • VREF: Adjustable
Specification:
VOUT:   n/a
VO (Min): 2.495V
VO (Max): 36.000V
Initial Accuracy(Max): 0.5%
IZ (Min) for Regulation: 400.0µA
IOUT I/Z (Max): 100mA
TC: 34ppm/°C
TC (Max): 92ppm/°C
Functional:
  • VREF: Adjustable
Specification:
VOUT:   n/a
VO (Min): 2.495V
VO (Max): 36.000V
Initial Accuracy(Max): 0.5%
IOUT I/Z (Max): 100mA
IZ (Min) for Regulation: 400µA
TC: 34ppm/°C
TC (Max): 92ppm/°C
Other Detail: Important information for this device is tabulated below.
Traffic light setting for Minimum Order Quantity indicates the following:
  • Green:Available from stock or at low factory MOQ.
  • Amber: Available on factory order with MOQ.
  • Red: High factory MOQ may apply, please ask for details.
Traffic light setting for High Reliability indicates the following:
  • Green: This bare die is specified and tested for use in high reliability applications.
  • Amber: This bare die can meet higher reliability specifications with additional testing & qualification, please ask for details.
  • Red: This bare die is not specified or specifically designed for use in high reliability applications.
Traffic light setting for Space Grade indicates the following:
  • Green: This bare die is qualified for space applications or has space level qualification data, please ask for details.
  • Amber: This bare die can be specified for space applications with additional testing and qualification, please ask for details.
  • Red: Suitability of this bare die for space applications is unknown and requires further qualification, please ask for details.

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