Voltage References | LM431SAI

Adjustable/2.5 V, 2% Tolerance Shunt Regulator

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Overview

The LM431SAI is three terminal output adjustable regulator with thermal stability over operating temperature range from -40°C to +85°C. The output voltage can be set any value between VREF (approximately 2.5 V) and 36 V with two external resistors. This device has a typical dynamic output impedance of 0.2 Ω. Active output circuit provides a sharp turn-on characteristic, making this device excellent replacement for Zener diodes in many applications.

  • This product is general usage and suitable for many different applications.

  • Programmable Output Voltage to 36 V
  • Low Dynamic Output Impedance 0.2 Ω Typical
  • Sink Current Capability of 1.0 to 100 mA
  • Equivalent Full-Range Temperature Coefficient of 50 ppm/°C Typical
  • Temperature Compensated for Operation Over Full Rated Operating Temperature Range
  • Low Output Noise Voltage
  • Fast Turn-on Response

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LM431SAIMFX

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CAD Model

Pb

A

H

P

SOT23−3L

1

260

REEL

3000

N

Adjustable

2.5

2

-

0.0015

36

-40

85

Price N/A

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Reliability Data

Die Related Summary Data

Device: LM431SAIMFX

Equivalent to wafer fab process: 8

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Equivalent Device-Hours

MTBF/MTTF in Hours

FITS

8

0

65794531

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Re-calculate Data

Data is based on the following assumptions.

Note: The temperature and confidence level may be adjusted to your requirements.

Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)

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