LM4431 datasheet(2/14 Pages) TI

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LM4431

SNVS103C – JUNE 2000 – REVISED APRIL 2013

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Absolute Maximum Ratings

(1) (2)

Reverse Current

20 mA

Forward Current

10 mA

Power Dissipation (TA = 25°C)

(3)

DBZ0003A Package

306 mW

Storage Temperature

−65°C to +150°C

Vapor phase (60 seconds)

+215°C

Lead Temperature

DBZ0003A Package

Infrared (15 seconds)

+220°C

Human Body Model(4)

2 kV

ESD Susceptibility

Machine Model(4)

200V

(1)

Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for

which the device is functional, but do not ensure specific performance limits. For ensured specifications and test conditions, see the

Electrical Characteristics. The specified specifications apply only for the test conditions listed. Some performance characteristics may

degrade when the device is not operated under the listed test conditions.

(2)

If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/Distributors for availability and

specifications.

(3)

The maximum power dissipation must be derated at elevated temperatures and is dictated by TJmax (maximum junction temperature),

θJA (junction to ambient thermal resistance), and TA (ambient temperature). The maximum allowable power dissipation at any

temperature is PDmax = (TJmax − TA)/θJA or the number given in the Absolute Maximum Ratings, whichever is lower. For the LM4431,

TJmax = 125°C, and the typical thermal resistance (θJA), when board mounted, is 326°C/W for the SOT-23 package.

(4)

The human body model is a 100 pF capacitor discharged through a 1.5 k

Ω resistor into each pin. The machine model is a 200 pF

capacitor discharged directly into each pin.

Operating Ratings

(1) (2)

Temperature Range (Tmin ≤ TA ≤ Tmax)

0°C

≤ TA ≤ +70°C

Reverse Current

LM4431-2.5

100

μA to 15 mA

(1)

Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for

which the device is functional, but do not ensure specific performance limits. For ensured specifications and test conditions, see the

Electrical Characteristics. The specified specifications apply only for the test conditions listed. Some performance characteristics may

degrade when the device is not operated under the listed test conditions.

(2)

The maximum power dissipation must be derated at elevated temperatures and is dictated by TJmax (maximum junction temperature),

θJA (junction to ambient thermal resistance), and TA (ambient temperature). The maximum allowable power dissipation at any

temperature is PDmax = (TJmax − TA)/θJA or the number given in the Absolute Maximum Ratings, whichever is lower. For the LM4431,

TJmax = 125°C, and the typical thermal resistance (θJA), when board mounted, is 326°C/W for the SOT-23 package.

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